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jquery.placeholder.js
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jquery.placeholder.js
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/*!
* HTML5 Placeholder jQuery Plugin v1.5
* @link http://github.com/mathiasbynens/Placeholder-jQuery-Plugin
* @author Mathias Bynens <http://mathiasbynens.be/>
*/
;(function($) {
if ('placeholder' in document.createElement('input')) {
$.fn.placeholder = function() {
return this;
};
return;
}
function args(elem) {
// Return an object of element attributes
var newAttrs = {}, rinlinejQuery = /^jQuery\d+$/;
$.each(elem.attributes, function(i, attr){
if( !rinlinejQuery.test(attr.name) ){
newAttrs[attr.name] = attr.value;
}
});
return newAttrs;
}
function onFocus() {
var $input = $(this);
if ($input.val() === $input.attr('placeholder') && $input.hasClass('placeholder')) {
if ($input.data('placeholder-password')) {
$input.hide().next().show().focus();
} else {
$input.val('').removeClass('placeholder');
}
}
}
function setPlaceholder(elem) {
var $replacement,
$input = $(this);
if ($input.val() === '' || $input.val() === $input.attr('placeholder')) {
if ($input.is(':password')) {
if(!$input.data('placeholder-textinput')){
try {
$replacement = $input.clone().attr({ type: 'text' });
} catch(e) {
$replacement = $('<input>').attr( $.extend(args($input[0]), {type: 'text'}) );
}
$replacement
.removeAttr('name')
.data('placeholder-password', true)
.bind('focus.placeholder', onFocus);
$input
.data('placeholder-textinput', $replacement)
.before($replacement);
}
$input = $input.hide().prev().show();
}
$input.addClass('placeholder').val($input.attr('placeholder'));
} else {
$input.removeClass('placeholder');
}
}
$(function() {
// Look for forms
$('form').bind('submit.placeholder', function() {
// Clear the placeholder values so they don’t get submitted
$('.placeholder', this).val('');
});
});
// Clear placeholder values upon page reload
$(window).bind('unload.placeholder', function() {
$('.placeholder').val('');
});
$.fn.placeholder = function() {
return this.filter(':input[placeholder]')
.bind('focus.placeholder', onFocus)
.bind('blur.placeholder' , setPlaceholder)
.trigger('blur.placeholder').end();
};
})(jQuery);