Kategori: JS, JQUERY

http://code.jquery.com/jquery-1.10.2.min.js
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;(function(window, document, $) {
    var isInputSupported = 'placeholder' in document.createElement('input');
    var isTextareaSupported = 'placeholder' in document.createElement('textarea');
    var prototype = $.fn;
    var valHooks = $.valHooks;
    var propHooks = $.propHooks;
    var hooks;
    var placeholder;
    if (isInputSupported && isTextareaSupported) {
        placeholder = prototype.placeholder = function() {
            return this;
        };
        placeholder.input = placeholder.textarea = true;
    } else {
        placeholder = prototype.placeholder = function() {
            var $this = this;
            $this
                .filter((isInputSupported ? 'textarea' : ':input') + '[placeholder]')
                .not('.placeholder')
                .bind({
                    'focus.placeholder': clearPlaceholder,
                    'blur.placeholder': setPlaceholder
                })
                .data('placeholder-enabled', true)
                .trigger('blur.placeholder');
            return $this;
        };
        placeholder.input = isInputSupported;
        placeholder.textarea = isTextareaSupported;
        hooks = {
            'get': function(element) {
                var $element = $(element);
                var $passwordInput = $element.data('placeholder-password');
                if ($passwordInput) {
                    return $passwordInput[0].value;
                }
                return $element.data('placeholder-enabled') && $element.hasClass('placeholder') ? '' : element.value;
            },
            'set': function(element, value) {
                var $element = $(element);
                var $passwordInput = $element.data('placeholder-password');
                if ($passwordInput) {
                    return $passwordInput[0].value = value;
                }
                if (!$element.data('placeholder-enabled')) {
                    return element.value = value;
                }
                if (value == '') {
                    element.value = value;
                    // Issue #56: Setting the placeholder causes problems if the element continues to have focus.
                    if (element != document.activeElement) {
                        // We can't use `triggerHandler` here because of dummy text/password inputs :(
                        setPlaceholder.call(element);
                    }
                } else if ($element.hasClass('placeholder')) {
                    clearPlaceholder.call(element, true, value) || (element.value = value);
                } else {
                    element.value = value;
                }
                // `set` can not return `undefined`; see http://jsapi.info/jquery/1.7.1/val#L2363
                return $element;
            }
        };
        if (!isInputSupported) {
            valHooks.input = hooks;
            propHooks.value = hooks;
        }
        if (!isTextareaSupported) {
            valHooks.textarea = hooks;
            propHooks.value = hooks;
        }
        $(function() {
            // Look for forms
            $(document).delegate('form', 'submit.placeholder', function() {
                // Clear the placeholder values so they don't get submitted
                var $inputs = $('.placeholder', this).each(clearPlaceholder);
                setTimeout(function() {
                    $inputs.each(setPlaceholder);
                }, 10);
            });
        });
        // Clear placeholder values upon page reload
        $(window).bind('beforeunload.placeholder', function() {
            $('.placeholder').each(function() {
                this.value = '';
            });
        });
    }
    function args(elem) {
        // Return an object of element attributes
        var newAttrs = {};
        var rinlinejQuery = /^jQueryd+$/;
        $.each(elem.attributes, function(i, attr) {
            if (attr.specified && !rinlinejQuery.test(attr.name)) {
                newAttrs[attr.name] = attr.value;
            }
        });
        return newAttrs;
    }
    function clearPlaceholder(event, value) {
        var input = this;
        var $input = $(input);
        if (input.value == $input.attr('placeholder') && $input.hasClass('placeholder')) {
            if ($input.data('placeholder-password')) {
                $input = $input.hide().next().show().attr('id', $input.removeAttr('id').data('placeholder-id'));
                // If `clearPlaceholder` was called from `$.valHooks.input.set`
                if (event === true) {
                    return $input[0].value = value;
                }
                $input.focus();
            } else {
                input.value = '';
                $input.removeClass('placeholder');
                input == document.activeElement && input.select();
            }
        }
    }
    function setPlaceholder() {
        var $replacement;
        var input = this;
        var $input = $(input);
        var id = this.id;
        if (input.value == '') {
            if (input.type == 'password') {
                if (!$input.data('placeholder-textinput')) {
                    try {
                        $replacement = $input.clone().attr({ 'type': 'text' });
                    } catch(e) {
                        $replacement = $('<input>').attr($.extend(args(this), { 'type': 'text' }));
                    }
                    $replacement
                        .removeAttr('name')
                        .data({
                            'placeholder-password': $input,
                            'placeholder-id': id
                        })
                        .bind('focus.placeholder', clearPlaceholder);
                    $input
                        .data({
                            'placeholder-textinput': $replacement,
                            'placeholder-id': id
                        })
                        .before($replacement);
                }
                $input = $input.removeAttr('id').hide().prev().attr('id', id).show();
                // Note: `$input[0] != input` now!
            }
            $input.addClass('placeholder');
            $input[0].value = $input.attr('placeholder');
        } else {
            $input.removeClass('placeholder');
        }
    }
}(this, document, jQuery));
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<form>
    <input id="input" name="" type="text" placeholder="Birşeyler Arayın.."/>
</form>
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 $(function() {
        $('input, textarea').placeholder();
        var html;
        if ($.fn.placeholder.input && $.fn.placeholder.textarea) {
         html = '<strong>Your current browser natively supports <code>placeholder</code> for <code>input</code> and <code>textarea</code> elements.</strong> The plugin won’t run in this case, since it’s not needed. If you want to test the plugin, use an older browser ;)';
        } else if ($.fn.placeholder.input) {
         html = '<strong>Your current browser natively supports <code>placeholder</code> for <code>input</code> elements, but not for <code>textarea</code> elements.</strong> The plugin will only do its thang on the <code>textarea</code>s.';
        }
        if (html) {
         $('<p class="note">' + html + '</p>').insertAfter('form');
        }
     });
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