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Added cross-browser support for type=password, based on sidonath’s fork.
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mathiasbynens committed Aug 21, 2010
1 parent 22b94f3 commit add0684
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Showing 3 changed files with 45 additions and 15 deletions.
3 changes: 2 additions & 1 deletion README.md
Expand Up @@ -14,6 +14,7 @@ This plugin was based on a code snippet by [Paul Irish](http://paulirish.com/),
<input type="email" name="email" placeholder="e.g. address@example.ext">
<input type="url" name="url" placeholder="e.g. http://mathiasbynens.be/">
<input type="tel" name="tel" placeholder="e.g. +32 472 77 69 88">
<input type="password" name="password" placeholder="e.g. h4x0rpr00fz">
<input type="search" name="search" placeholder="Search this site…">
<textarea name="message" placeholder="Your message goes here"></textarea>

Expand All @@ -30,8 +31,8 @@ The plugin automatically adds `class="placeholder"` to the elements who are curr

## Notes

* Works in all A-grade browsers, including IE6.
* The plugin automatically checks if the browser supports the HTML5 placeholder attribute for inputs natively. If this is the case, the plugin won’t do anything.
* The plugin will ignore password inputs.

## Credits

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53 changes: 41 additions & 12 deletions jquery.placeholder.js
@@ -1,5 +1,5 @@
/*!
* HTML5 Placeholder jQuery Plugin v1.2
* HTML5 Placeholder jQuery Plugin v1.3
* @link http://github.com/mathiasbynens/Placeholder-jQuery-Plugin
* @author Mathias Bynens <http://mathiasbynens.be/>
*/
Expand All @@ -9,17 +9,50 @@
if (this[0] && 'placeholder' in document.createElement('input')) {
// Allow chaining
return this;
};
}
function args($elem) {
// Get attributes string from outerHTML
var html = $('<div>').append($elem.clone()).html().replace(/<(\w+)\s+(.*)>/, '$2'),
attr,
attrs = {};
while ((attr = html.match(/\s*([\w-]+)=("[^"]*"|'[^']*'|\w+)/))) {
// Assign attribute to dictionary, but remove quotes first
attrs[attr[1]] = attr[2].replace(/^(["'])(.*?)\1$/, '$2');
html = html.replace(attr[0], '');
}
return attrs;
}
function onFocus() {
var $input = $(this);
if ($input.val() === $input.attr('placeholder') && $input.hasClass('placeholder')) {
if ($input.data('placeholder-password')) {
$input.next().show().focus().end().remove();
} else {
$input.val('').removeClass('placeholder');
}
}
}
// Made this a function, because we actually need it on two different occasions:
// 1) Once when the DOM is loaded;
// 2) Once every time the focusout() is triggered.
function setPlaceholder($elem) {
var $replacement;
if ($elem.val() === '' || $elem.val() === $elem.attr('placeholder')) {
if ($elem.is(':password')) {
try {
$replacement = $elem.clone().attr({ type: 'text' });
} catch(e) {
$replacement = $('<input>', $.extend(args($elem), { type: 'text' }));
}
$replacement.data('placeholder-password', true).focus(onFocus);
$elem.hide().before($replacement);
$elem = $replacement;
}
$elem.addClass('placeholder').val($elem.attr('placeholder'));
} else {
$elem.removeClass('placeholder');
};
};
}
}
// Look for forms with inputs and/or textareas with a placeholder attribute in them
$('form:has([placeholder])').submit(function() {
// Clear the placeholder values so they don’t get submitted
Expand All @@ -32,16 +65,12 @@
// Yes, .each() — in case .placeholder() is called on several elements, which is very likely, e.g. $('input').placeholder();
return this.each(function() {
var $input = $(this);
// Quit if the current element is a password input, or not an input/textarea at all
if ($input.is(':password') || !$input.is(':input')) {
// Quit if the current element is not an input/textarea at all
if (!$input.is(':input')) {
return;
};
}
setPlaceholder($input);
$input.focus(function() {
if ($input.val() === $input.attr('placeholder')) {
$input.val('').removeClass('placeholder');
};
}).blur(function() {
$input.focus(onFocus).blur(function() {
setPlaceholder($input);
});
});
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4 changes: 2 additions & 2 deletions jquery.placeholder.min.js

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