added support for hints under inputs on focus

README.md

@@ -100,6 +100,8 @@ Add `.btn-raised` to a button to add a permanent shadow to it.
 
 Add `.floating-label` to an input field with a `placeholder` to transform the placeholder in a floating label.
 
+Add `data-hint="some hint"` to show an hint under the input when the user focus it.
+
 Remember to use the proper HTML markup to get radio and checkboxes styled correctly (choose between *radio* or *checkbox*):
 
     <div class="radio/checkbox radio-primary">

dist/css/material-wfont.css

@@ -2625,8 +2625,7 @@ body .jumbotron-material-lightgrey,
   text-transform: uppercase;
   text-decoration: none;
   color: rgba(255, 255, 255, 0.84);
-  -webkit-transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
+  transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
-          transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
   outline: none !important;
 }
 .btn:hover:not(.btn-link):not(.btn-flat) {
@@ -2785,8 +2784,7 @@ body .jumbotron-material-lightgrey,
 }
 .btn.btn-raised {
   box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
-  -webkit-transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
+  transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
-          transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
 }
 .btn.btn-raised:active:not(.btn-link) {
   box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
@@ -3004,8 +3002,7 @@ body .jumbotron-material-lightgrey,
   border-radius: 2px;
   margin: 10px 1px;
   box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
-  -webkit-transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
+  transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
-          transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
 }
 .btn-group:active:not(.btn-link),
 .btn-group-vertical:active:not(.btn-link) {
@@ -3018,8 +3015,7 @@ body .jumbotron-material-lightgrey,
 .btn-group.btn-group-raised,
 .btn-group-vertical.btn-group-raised {
   box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
-  -webkit-transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
+  transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
-          transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
 }
 .btn-group.btn-group-raised:active:not(.btn-link),
 .btn-group-vertical.btn-group-raised:active:not(.btn-link) {
@@ -3053,8 +3049,7 @@ body .jumbotron-material-lightgrey,
   display: block;
   position: absolute;
   left: 0px;
-  -webkit-transition-duration: 0.2s;
+  transition-duration: 0.2s;
-          transition-duration: 0.2s;
 }
 .checkbox label .ripple {
   display: block;
@@ -3071,12 +3066,10 @@ body .jumbotron-material-lightgrey,
   margin: 0;
 }
 .checkbox label input[type=checkbox]:not(:checked) ~ .ripple {
-  -webkit-animation: rippleOff 500ms;
+  animation: rippleOff 500ms;
-          animation: rippleOff 500ms;
 }
 .checkbox label input[type=checkbox]:checked ~ .ripple {
-  -webkit-animation: rippleOn 500ms;
+  animation: rippleOn 500ms;
-          animation: rippleOn 500ms;
 }
 .checkbox label .check {
   display: inline-block;
@@ -3107,9 +3100,7 @@ body .jumbotron-material-lightgrey,
 .checkbox label .check:before {
   position: absolute;
   content: "";
-  -webkit-transform: rotate(45deg);
+  transform: rotate(45deg);
-      -ms-transform: rotate(45deg);
-          transform: rotate(45deg);
   display: block;
   margin-top: -4px;
   margin-left: 6px;
@@ -3122,8 +3113,7 @@ body .jumbotron-material-lightgrey,
                 0 0 0 0,
                 0 0 0 0,
                 0px 0px 0 0px inset;
-  -webkit-animation: checkbox-off 0.3s linear forwards;
+  animation: checkbox-off 0.3s linear forwards;
-          animation: checkbox-off 0.3s linear forwards;
 }
 .checkbox input[type=checkbox] {
   opacity: 0;
@@ -3133,21 +3123,17 @@ body .jumbotron-material-lightgrey,
 }
 .checkbox input[type=checkbox]:checked ~ .check:before {
   box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px;
-  -webkit-animation: checkbox-on 0.3s linear forwards;
+  animation: checkbox-on 0.3s linear forwards;
-          animation: checkbox-on 0.3s linear forwards;
 }
 .checkbox input[type=checkbox]:not(:checked) ~ .check:after {
-  -webkit-animation: rippleOff 500ms linear forwards;
+  animation: rippleOff 500ms linear forwards;
-          animation: rippleOff 500ms linear forwards;
 }
 .checkbox input[type=checkbox]:checked ~ .check:after {
-  -webkit-animation: rippleOn 500ms linear forwards;
+  animation: rippleOn 500ms linear forwards;
-          animation: rippleOn 500ms linear forwards;
 }
 .checkbox:not(:hover) input[type=checkbox] ~ .check:before,
 .checkbox:not(:hover) input[type=checkbox] ~ .check:after {
-  -webkit-animation-duration: 1ms;
+  animation-duration: 1ms;
-          animation-duration: 1ms;
 }
 .checkbox input[type=checkbox][disabled]:not(:checked) ~ .check:before,
 .checkbox input[type=checkbox][disabled] ~ .circle {
@@ -3155,9 +3141,7 @@ body .jumbotron-material-lightgrey,
 }
 .checkbox input[type=checkbox][disabled] ~ .check:after {
   background-color: rgba(0, 0, 0, 0.84);
-  -webkit-transform: rotate(-45deg);
+  transform: rotate(-45deg);
-      -ms-transform: rotate(-45deg);
-          transform: rotate(-45deg);
 }
 .checkbox input[type=checkbox]:checked ~ .check:after,
 .checkbox-default input[type=checkbox]:checked ~ .check:after {
@@ -3369,17 +3353,6 @@ body .jumbotron-material-lightgrey,
 .checkbox-material-lightgrey input[type=checkbox]:checked ~ .check {
   color: #ececec;
 }
-@-webkit-keyframes checkbox-on {
-  0% {
-    box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 15px 2px 0 11px;
-  }
-  50% {
-    box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px 2px 0 11px;
-  }
-  100% {
-    box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px;
-  }
-}
 @keyframes checkbox-on {
   0% {
     box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 15px 2px 0 11px;
@@ -3391,53 +3364,6 @@ body .jumbotron-material-lightgrey,
     box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px;
   }
 }
-@-webkit-keyframes checkbox-off {
-  0% {
-    box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px, 0 0 0 0 inset;
-  }
-  25% {
-    box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px, 0 0 0 0 inset;
-  }
-  50% {
-    -webkit-transform: rotate(45deg);
-            transform: rotate(45deg);
-    margin-top: -4px;
-    margin-left: 6px;
-    width: 0px;
-    height: 0px;
-    box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 15px 2px 0 11px, 0 0 0 0 inset;
-  }
-  51% {
-    -webkit-transform: rotate(0deg);
-            transform: rotate(0deg);
-    margin-top: -2px;
-    margin-left: -2px;
-    width: 20px;
-    height: 20px;
-    box-shadow: 0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0px 0px 0 10px inset;
-  }
-  100% {
-    -webkit-transform: rotate(0deg);
-            transform: rotate(0deg);
-    margin-top: -2px;
-    margin-left: -2px;
-    width: 20px;
-    height: 20px;
-    box-shadow: 0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0 0 0 0,
-            0px 0px 0 0px inset;
-  }
-}
 @keyframes checkbox-off {
   0% {
     box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px, 0 0 0 0 inset;
@@ -3446,8 +3372,7 @@ body .jumbotron-material-lightgrey,
     box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px, 0 0 0 0 inset;
   }
   50% {
-    -webkit-transform: rotate(45deg);
+    transform: rotate(45deg);
-            transform: rotate(45deg);
     margin-top: -4px;
     margin-left: 6px;
     width: 0px;
@@ -3455,8 +3380,7 @@ body .jumbotron-material-lightgrey,
     box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0px 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 15px 2px 0 11px, 0 0 0 0 inset;
   }
   51% {
-    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
-            transform: rotate(0deg);
     margin-top: -2px;
     margin-left: -2px;
     width: 20px;
@@ -3470,8 +3394,7 @@ body .jumbotron-material-lightgrey,
             0px 0px 0 10px inset;
   }
   100% {
-    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
-            transform: rotate(0deg);
     margin-top: -2px;
     margin-left: -2px;
     width: 20px;
@@ -3485,17 +3408,6 @@ body .jumbotron-material-lightgrey,
             0px 0px 0 0px inset;
   }
 }
-@-webkit-keyframes rippleOn {
-  0% {
-    opacity: 0;
-  }
-  50% {
-    opacity: 0.2;
-  }
-  100% {
-    opacity: 0;
-  }
-}
 @keyframes rippleOn {
   0% {
     opacity: 0;
@@ -3507,17 +3419,6 @@ body .jumbotron-material-lightgrey,
     opacity: 0;
   }
 }
-@-webkit-keyframes rippleOff {
-  0% {
-    opacity: 0;
-  }
-  50% {
-    opacity: 0.2;
-  }
-  100% {
-    opacity: 0;
-  }
-}
 @keyframes rippleOff {
   0% {
     opacity: 0;
@@ -3542,8 +3443,7 @@ body .jumbotron-material-lightgrey,
   position: absolute;
   left: 10px;
   top: 2px;
-  -webkit-transition-duration: 0.2s;
+  transition-duration: 0.2s;
-          transition-duration: 0.2s;
 }
 .radio label .circle {
   border: 2px solid rgba(0, 0, 0, 0.84);
@@ -3556,9 +3456,7 @@ body .jumbotron-material-lightgrey,
   width: 15px;
   border-radius: 100%;
   background-color: rgba(0, 0, 0, 0.84);
-  -webkit-transform: scale(0);
+  transform: scale(0);
-      -ms-transform: scale(0);
-          transform: scale(0);
 }
 .radio label .check:after {
   display: block;
@@ -3573,17 +3471,13 @@ body .jumbotron-material-lightgrey,
   z-index: 1;
   opacity: 0;
   margin: 0;
-  -webkit-transform: scale(1.5);
+  transform: scale(1.5);
-      -ms-transform: scale(1.5);
-          transform: scale(1.5);
 }
 .radio label input[type=radio]:not(:checked) ~ .check:after {
-  -webkit-animation: rippleOff 500ms;
+  animation: rippleOff 500ms;
-          animation: rippleOff 500ms;
 }
 .radio label input[type=radio]:checked ~ .check:after {
-  -webkit-animation: rippleOn 500ms;
+  animation: rippleOn 500ms;
-          animation: rippleOn 500ms;
 }
 .radio input[type=radio]:checked ~ .check,
 .radio-default input[type=radio]:checked ~ .check {
@@ -3733,9 +3627,7 @@ body .jumbotron-material-lightgrey,
   display: none;
 }
 .radio input[type=radio]:checked ~ .check {
-  -webkit-transform: scale(0.55);
+  transform: scale(0.55);
-      -ms-transform: scale(0.55);
-          transform: scale(0.55);
 }
 .radio input[type=radio][disabled] ~ .circle {
   border-color: rgba(0, 0, 0, 0.84);
@@ -3814,7 +3706,6 @@ select[multiple].form-control.focus {
 }
 .form-control-wrapper {
   position: relative;
-  /* active state */
 }
 .form-control-wrapper .form-control:focus,
 .form-control-wrapper .form-control.focus {
@@ -3827,8 +3718,7 @@ select[multiple].form-control.focus {
   pointer-events: none;
   left: 0px;
   top: 5px;
-  -webkit-transition: 0.2s ease all;
+  transition: 0.2s ease all;
-          transition: 0.2s ease all;
   opacity: 0;
 }
 .form-control-wrapper .form-control:not(.empty) ~ .floating-label {
@@ -3861,19 +3751,13 @@ select[multiple].form-control.focus {
   height: 2px;
   background-color: #4285f4;
   bottom: -1px;
-  -webkit-transform: scaleX(0);
+  transform: scaleX(0);
-      -ms-transform: scaleX(0);
+  transition: transform 0s;
-          transform: scaleX(0);
-  -webkit-transition: -webkit-transform 0s;
-          transition: transform 0s;
 }
 .form-control-wrapper .form-control:focus ~ .material-input:before,
 .form-control-wrapper .form-control.focus ~ .material-input:before {
-  -webkit-transform: scaleX(1);
+  transform: scaleX(1);
-      -ms-transform: scaleX(1);
+  transition: transform 0.2s ease-out;
-          transform: scaleX(1);
-  -webkit-transition: -webkit-transform 0.2s ease-out;
-          transition: transform 0.2s ease-out;
 }
 .form-control-wrapper .material-input:after {
   content: "";
@@ -3885,9 +3769,7 @@ select[multiple].form-control.focus {
   left: 0;
   pointer-events: none;
   opacity: 0.9;
-  -webkit-transform-origin: left;
+  transform-origin: left;
-      -ms-transform-origin: left;
-          transform-origin: left;
 }
 .form-control-wrapper .input-lg ~ .material-input:after {
   height: 26px;
@@ -3900,12 +3782,19 @@ select[multiple].form-control.focus {
 }
 .form-control-wrapper .form-control:focus ~ .material-input:after,
 .form-control-wrapper .form-control.focus ~ .material-input:after {
-  -webkit-animation: input-highlight 0.3s ease;
+  animation: input-highlight 0.3s ease;
-          animation: input-highlight 0.3s ease;
+  animation-fill-mode: forwards;
-  -webkit-animation-fill-mode: forwards;
-          animation-fill-mode: forwards;
   opacity: 0;
 }
+.form-control-wrapper .hint {
+  position: absolute;
+  font-size: 80%;
+  display: none;
+}
+.form-control-wrapper .form-control:focus ~ .hint,
+.form-control-wrapper .form-control.focus ~ .hint {
+  display: block;
+}
 .form-control-wrapper select ~ .material-input:after {
   display: none;
 }
@@ -4321,31 +4210,13 @@ select.form-control.focus {
   box-shadow: none;
   border-color: #757575;
 }
-@-webkit-keyframes input-highlight {
-  0% {
-    left: 20%;
-    -webkit-transform: scaleX(20%);
-            transform: scaleX(20%);
-  }
-  99% {
-    -webkit-transform: scaleX(0);
-            transform: scaleX(0);
-    left: 0;
-    opacity: 1;
-  }
-  100% {
-    opacity: 0;
-  }
-}
 @keyframes input-highlight {
   0% {
     left: 20%;
-    -webkit-transform: scaleX(20%);
+    transform: scaleX(20%);
-            transform: scaleX(20%);
   }
   99% {
-    -webkit-transform: scaleX(0);
+    transform: scaleX(0);
-            transform: scaleX(0);
     left: 0;
     opacity: 1;
   }
@@ -5327,21 +5198,15 @@ icon-material-lightgrey {
   border-radius: 2px;
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
   height: 0;
-  -webkit-transition: -webkit-transform 0.2s ease-in-out, opacity 0.2s ease-in, height 0 linear 0.2s, padding 0 linear 0.2s, height 0 linear 0.2s;
+  transition: transform 0.2s ease-in-out, opacity 0.2s ease-in, height 0 linear 0.2s, padding 0 linear 0.2s, height 0 linear 0.2s;
-          transition: transform 0.2s ease-in-out, opacity 0.2s ease-in, height 0 linear 0.2s, padding 0 linear 0.2s, height 0 linear 0.2s;
+  transform: translateY(200%);
-  -webkit-transform: translateY(200%);
-      -ms-transform: translateY(200%);
-          transform: translateY(200%);
 }
 .snackbar.snackbar-opened {
   padding: 14px 15px;
   margin-bottom: 20px;
   height: auto;
-  -webkit-transition: -webkit-transform 0.2s ease-in-out, opacity 0.2s ease-in, height 0 linear 0.2s, height 0 linear 0.2s;
+  transition: transform 0.2s ease-in-out, opacity 0.2s ease-in, height 0 linear 0.2s, height 0 linear 0.2s;
-          transition: transform 0.2s ease-in-out, opacity 0.2s ease-in, height 0 linear 0.2s, height 0 linear 0.2s;
+  transform: none;
-  -webkit-transform: none;
-      -ms-transform: none;
-          transform: none;
 }
 .snackbar.toast {
   border-radius: 200px;
@@ -5350,10 +5215,7 @@ icon-material-lightgrey {
 .noUi-target * {
   -webkit-touch-callout: none;
   -ms-touch-action: none;
-  -webkit-user-select: none;
+  user-select: none;
-     -moz-user-select: none;
-      -ms-user-select: none;
-          user-select: none;
   box-sizing: border-box;
 }
 .noUi-base {
@@ -5380,8 +5242,7 @@ icon-material-lightgrey {
   *z-index: -1;
 }
 .noUi-state-tap .noUi-origin {
-  -webkit-transition: left 0.3s, top 0.3s;
+  transition: left 0.3s, top 0.3s;
-          transition: left 0.3s, top 0.3s;
 }
 .noUi-state-drag * {
   cursor: inherit !important;
@@ -5397,8 +5258,7 @@ icon-material-lightgrey {
   top: -5px;
   cursor: ew-resize;
   border-radius: 100%;
-  -webkit-transition: all 0.2s ease-out;
+  transition: all 0.2s ease-out;
-          transition: all 0.2s ease-out;
   border: 1px solid;
 }
 .noUi-vertical .noUi-handle {
@@ -5442,9 +5302,7 @@ icon-material-lightgrey {
   display: inline-block;
 }
 .noUi-handle.noUi-active {
-  -webkit-transform: scale(2.5);
+  transform: scale(2.5);
-      -ms-transform: scale(2.5);
-          transform: scale(2.5);
 }
 [disabled].noUi-slider {
   opacity: 0.5;

dist/css/material.css

@@ -3699,7 +3699,6 @@ select[multiple].form-control.focus {
 }
 .form-control-wrapper {
   position: relative;
-  /* active state */
 }
 .form-control-wrapper .form-control:focus,
 .form-control-wrapper .form-control.focus {
@@ -3780,6 +3779,15 @@ select[multiple].form-control.focus {
   animation-fill-mode: forwards;
   opacity: 0;
 }
+.form-control-wrapper .hint {
+  position: absolute;
+  font-size: 80%;
+  display: none;
+}
+.form-control-wrapper .form-control:focus ~ .hint,
+.form-control-wrapper .form-control.focus ~ .hint {
+  display: block;
+}
 .form-control-wrapper select ~ .material-input:after {
   display: none;
 }

dist/js/material.min.js

@@ -1 +1 @@
-!function(a){function b(a){return"undefined"==typeof a.which?!0:"number"==typeof a.which&&a.which>0?!a.ctrlKey&&!a.metaKey&&!a.altKey&&8!=a.which:!1}a.expr[":"].notmdproc=function(b){return a(b).data("mdproc")?!1:!0},a.material={options:{withRipples:[".btn:not(.btn-link)",".card-image",".navbar a:not(.withoutripple)",".dropdown-menu a",".nav-tabs a:not(.withoutripple)",".withripple"].join(","),inputElements:"input.form-control, textarea.form-control, select.form-control",checkboxElements:".checkbox > label > input[type=checkbox]",radioElements:".radio > label > input[type=radio]"},checkbox:function(b){a(b?b:this.options.checkboxElements).filter(":notmdproc").data("mdproc",!0).after("<span class=ripple></span><span class=check></span>")},radio:function(b){a(b?b:this.options.radioElements).filter(":notmdproc").data("mdproc",!0).after("<span class=circle></span><span class=check></span>")},input:function(c){a(c?c:this.options.inputElements).filter(":notmdproc").data("mdproc",!0).each(function(){var b=a(this);if(b.wrap("<div class=form-control-wrapper></div>"),b.after("<span class=material-input></span>"),b.hasClass("floating-label")){var c=b.attr("placeholder");b.attr("placeholder",null).removeClass("floating-label"),b.after("<div class=floating-label>"+c+"</div>")}if((null===b.val()||"undefined"==b.val()||""===b.val())&&b.addClass("empty"),b.parent().next().is("[type=file]")){b.parent().addClass("fileinput");var d=b.parent().next().detach();b.after(d)}}),a(document).on("change",".checkbox input[type=checkbox]",function(){a(this).blur()}).on("keydown paste",".form-control",function(c){b(c)&&a(this).removeClass("empty")}).on("keyup change",".form-control",function(){var b=a(this);""===b.val()?b.addClass("empty"):b.removeClass("empty")}).on("focus",".form-control-wrapper.fileinput",function(){a(this).find("input").addClass("focus")}).on("blur",".form-control-wrapper.fileinput",function(){a(this).find("input").removeClass("focus")}).on("change",".form-control-wrapper.fileinput [type=file]",function(){var b="";a.each(a(this)[0].files,function(a,c){console.log(c),b+=c.name+", "}),b=b.substring(0,b.length-2),b?a(this).prev().removeClass("empty"):a(this).prev().addClass("empty"),a(this).prev().val(b)})},ripples:function(a){ripples.init(a?a:this.options.withRipples)},init:function(){this.ripples(),this.input(),this.checkbox(),this.radio(),document.arrive&&document.arrive("input, textarea, select",function(){a.material.init()}),function(){var b=setInterval(function(){a("input").each(function(){a(this).val()!==a(this).attr("value")&&a(this).trigger("change")})},100);setTimeout(function(){clearInterval(b)},1e4);var c;a(document).on("focus","input",function(){var b=a(this).parents("form").find("input");c=setInterval(function(){b.each(function(){a(this).val()!==a(this).attr("value")&&a(this).trigger("change")})},100)}).on("blur","input",function(){clearInterval(c)})}()}}}(jQuery);
+!function(a){function b(a){return"undefined"==typeof a.which?!0:"number"==typeof a.which&&a.which>0?!a.ctrlKey&&!a.metaKey&&!a.altKey&&8!=a.which:!1}a.expr[":"].notmdproc=function(b){return a(b).data("mdproc")?!1:!0},a.material={options:{withRipples:[".btn:not(.btn-link)",".card-image",".navbar a:not(.withoutripple)",".dropdown-menu a",".nav-tabs a:not(.withoutripple)",".withripple"].join(","),inputElements:"input.form-control, textarea.form-control, select.form-control",checkboxElements:".checkbox > label > input[type=checkbox]",radioElements:".radio > label > input[type=radio]"},checkbox:function(b){a(b?b:this.options.checkboxElements).filter(":notmdproc").data("mdproc",!0).after("<span class=ripple></span><span class=check></span>")},radio:function(b){a(b?b:this.options.radioElements).filter(":notmdproc").data("mdproc",!0).after("<span class=circle></span><span class=check></span>")},input:function(c){a(c?c:this.options.inputElements).filter(":notmdproc").data("mdproc",!0).each(function(){var b=a(this);if(b.wrap("<div class=form-control-wrapper></div>"),b.after("<span class=material-input></span>"),b.hasClass("floating-label")){var c=b.attr("placeholder");b.attr("placeholder",null).removeClass("floating-label"),b.after("<div class=floating-label>"+c+"</div>")}if(b.attr("data-hint")&&b.after("<div class=hint>"+b.attr("data-hint")+"</div>"),(null===b.val()||"undefined"==b.val()||""===b.val())&&b.addClass("empty"),b.parent().next().is("[type=file]")){b.parent().addClass("fileinput");var d=b.parent().next().detach();b.after(d)}}),a(document).on("change",".checkbox input[type=checkbox]",function(){a(this).blur()}).on("keydown paste",".form-control",function(c){b(c)&&a(this).removeClass("empty")}).on("keyup change",".form-control",function(){var b=a(this);""===b.val()?b.addClass("empty"):b.removeClass("empty")}).on("focus",".form-control-wrapper.fileinput",function(){a(this).find("input").addClass("focus")}).on("blur",".form-control-wrapper.fileinput",function(){a(this).find("input").removeClass("focus")}).on("change",".form-control-wrapper.fileinput [type=file]",function(){var b="";a.each(a(this)[0].files,function(a,c){console.log(c),b+=c.name+", "}),b=b.substring(0,b.length-2),b?a(this).prev().removeClass("empty"):a(this).prev().addClass("empty"),a(this).prev().val(b)})},ripples:function(a){ripples.init(a?a:this.options.withRipples)},init:function(){this.ripples(),this.input(),this.checkbox(),this.radio(),document.arrive&&document.arrive("input, textarea, select",function(){a.material.init()}),function(){var b=setInterval(function(){a("input").each(function(){a(this).val()!==a(this).attr("value")&&a(this).trigger("change")})},100);setTimeout(function(){clearInterval(b)},1e4);var c;a(document).on("focus","input",function(){var b=a(this).parents("form").find("input");c=setInterval(function(){b.each(function(){a(this).val()!==a(this).attr("value")&&a(this).trigger("change")})},100)}).on("blur","input",function(){clearInterval(c)})}()}}}(jQuery);

index.html

@@ -1520,6 +1520,10 @@
                                 <input class="form-control floating-label" id="focusedInput" type="text" placeholder="Write something to make the label float">
                             </div>
 
+                            <div class="form-group">
+                                <input class="form-control floating-label" id="focusedInput" type="text" placeholder="Focus to show the hint" data-hint="You should really write something here">
+                            </div>
+
                             <div class="form-group">
                                 <label class="control-label" for="disabledInput">Disabled input</label>
                                 <input class="form-control" id="disabledInput" type="text" placeholder="Disabled input here..." disabled="">

less/_inputs.less

@@ -95,13 +95,23 @@ select[multiple].form-control {
         margin-top: -11px;
     }
 
-    /* active state */
+    // active state
     .form-control:focus ~ .material-input:after, .form-control.focus ~ .material-input:after {
         animation: input-highlight 0.3s ease;
         animation-fill-mode: forwards;
         opacity: 0;
     }
 
+    // Hints
+    .hint {
+        position: absolute;
+        font-size: 80%;
+        display: none;
+    }
+    .form-control:focus ~ .hint, .form-control.focus ~ .hint {
+        display: block;
+    }
+
     select ~ .material-input:after {
         display: none;
     }

scripts/material.js

@@ -55,14 +55,25 @@
                 var $this = $(this);
                 $this.wrap("<div class=form-control-wrapper></div>");
                 $this.after("<span class=material-input></span>");
+
+                // Add floating label if required
                 if ($this.hasClass("floating-label")) {
                     var placeholder = $this.attr("placeholder");
                     $this.attr("placeholder", null).removeClass("floating-label");
                     $this.after("<div class=floating-label>" + placeholder + "</div>");
                 }
+
+                // Add hint label if required
+                if ($this.attr("data-hint")) {
+                    $this.after("<div class=hint>" + $this.attr("data-hint") + "</div>");
+                }
+
+                // Set as empty if is empty (damn I must improve this...)
                 if ($this.val() === null || $this.val() == "undefined" || $this.val() === "") {
                     $this.addClass("empty");
                 }
+
+                // Support for file input
                 if ($this.parent().next().is("[type=file]")) {
                     $this.parent().addClass("fileinput");
                     var $input = $this.parent().next().detach();