Created
January 28, 2013 10:05
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jquery.hint using placeholder
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/** | |
* @author Remy Sharp | |
* @url http://remysharp.com/2007/01/25/jquery-tutorial-text-box-hints/ | |
*/ | |
/*jshint curly:false */ | |
(function ($) { | |
var isInputSupported = 'placeholder' in document.createElement('input'), | |
isTextareaSupported = 'placeholder' in document.createElement('textarea'); | |
// bail if this functionality is supported | |
if (isInputSupported && isTextareaSupported) return; | |
$.fn.hint = function (blurClass) { | |
if (!blurClass) { | |
blurClass = 'blur'; | |
} | |
return this.each(function () { | |
// get jQuery version of 'this' | |
var $input = $(this), | |
// capture the rest of the variable to allow for reuse | |
title = $input.attr('placeholder'), | |
$form = $(this.form), | |
$win = $(window); | |
function remove() { | |
if ($input.val() === title && $input.hasClass(blurClass)) { | |
$input.val('').removeClass(blurClass); | |
} | |
} | |
// only apply logic if the element has the attribute | |
if (title) { | |
// on blur, set value to title attr if text is blank | |
$input.blur(function () { | |
if (this.value === '') { | |
$input.val(title).addClass(blurClass); | |
} | |
}).focus(remove).blur(); // now change all inputs to title | |
// clear the pre-defined text when form is submitted | |
$form.submit(remove); | |
$win.unload(remove); // handles Firefox's autocomplete | |
} | |
}); | |
}; | |
})(jQuery); |
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