function isValidDate(value, userFormat) {

// Set default format if format is not provided

userFormat = userFormat || 'mm/dd/yyyy';

// Find custom delimiter by excluding

// month, day and year characters

var delimiter = /[^mdy]/.exec(userFormat)[0];

// Create an array with month, day and year

// so we know the format order by index

var theFormat = userFormat.split(delimiter);

// Create array from user date

var theDate = value.split(delimiter);

function isDate(date, format) {

var m, d, y, i = 0, len = format.length, f;

for (i; i < len; i++) {

f = format[i];

if (/m/.test(f)) m = date[i];

if (/d/.test(f)) d = date[i];

if (/y/.test(f)) y = date[i];

}

return (

m > 0 && m < 13 &&

y && y.length === 4 &&

d > 0 &&

// Check if it's a valid day of the month

d <= (new Date(y, m, 0)).getDate()

);

}

return isDate(theDate, theFormat);

}[/i][/i][/i][/i]

[i][i][i][i]isValidDate('dd-mm-yyyy', '31/11/2012')[/i][/i][/i][/i]

[i][i][i][i]var getMaxHeight = function ($elms) {

var maxHeight = 0;

$elms.each(function () {

// In some cases you may want to use outerHeight() instead

var height = $(this).height();

if (height > maxHeight) {

maxHeight = height;

}

});

return maxHeight;

};[/i][/i][/i][/i]

[i][i][i][i]$(elements).height( getMaxHeight($(elements)) );[/i][/i][/i][/i]

[i][i][i][i]function highlight(text, words, tag) {

// Default tag if no tag is provided

tag = tag || 'span';

var i, len = words.length, re;

for (i = 0; i < len; i++) {

// Global regex to highlight all matches

re = new RegExp(words[i], 'g');

if (re.test(text)) {

text = text.replace(re, '<'+ tag +' class="highlight">$&');

}

}

return text;

}[/i][/i][/i][/i][/i]

[i][i][i][i][i]function unhighlight(text, tag) {

// Default tag if no tag is provided

tag = tag || 'span';

var re = new RegExp('(<'+ tag +'.+?>|<\/'+ tag +'>)', 'g');

return text.replace(re, '');

}[/i][/i][/i][/i][/i]

[i][i][i][i][i]$('p').html( highlight(

$('p').html(), // the text

['foo', 'bar', 'baz', 'hello world'], // list of words or phrases to 

highlight

'strong' // custom tag

));[/i][/i][/i][/i][/i]

[i][i][i][i][i]$.fn.animateText = function(delay, klass) {

var text = this.text();

var letters = text.split('');

return this.each(function(){

var $this = $(this);

$this.html(text.replace(/./g, '$&'));

$this.find('span.letter').each(function(i, el){

setTimeout(function(){ $(el).addClass(klass); }, delay * i);

});

});

};[/i][/i][/i][/i][/i]

[i][i][i][i][i]$('p').animateText(15, 'foo');[/i][/i][/i][/i][/i]

[i][i][i][i][i]$.fn.fadeAll = function (ops) {

var o = $.extend({

delay: 500, // delay between elements

speed: 500, // animation speed

ease: 'swing' // other require easing plugin

}, ops);

var $el = this;

for (var i=0, d=0, l=$el.length; i<l; p="" {<="">

$el.eq(i).delay(d).fadeIn(o.speed, o.ease);

}

return $el;

}[/i][/i][/i][/i][/i]

[i][i][i][i][i]$(elements).fadeAll({ delay: 300, speed: 300 });[/i][/i][/i][/i][/i]

[i][i][i][i][i]function excerpt(str, nwords) {

var words = str.split(' ');

words.splice(nwords, words.length-1);

return words.join(' ') +

(words.length !== str.split(' ').length ? '…' : '');

}[/i][/i][/i][/i][/i]

[i][i][i][i][i]function isBreakPoint(bp) {

// The breakpoints that you set in your css

var bps = [320, 480, 768, 1024];

var w = $(window).width();

var min, max;

for (var i = 0, l = bps.length; i < l; i++) {

if (bps[i] === bp) {

min = bps[i-1] || 0;

max = bps[i];

break;

}

}

return w > min && w <= max;

}[/i][/i][/i][/i][/i][/i][/i]

[i][i][i][i][i][i][i]if ( isBreakPoint(320) ) {

// breakpoint at 320 or less

}

if ( isBreakPoint(480) ) {

// breakpoint between 320 and 480

}

…[/i][/i][/i][/i][/i][/i][/i]

[i][i][i][i][i][i][i]$(element)

.data('counter', 0) // begin counter at zero

.click(function() {

var counter = $(this).data('counter'); // get

$(this).data('counter', counter + 1); // set

// do something else...

});[/i][/i][/i][/i][/i][/i][/i]

[i][i][i][i][i][i][i]function embedYouku(link, ops) {

var o = $.extend({

width: 480,

height: 320,

params: ''

}, ops);

var id = /\?v\=(\w+)/.exec(link)[1];

return '

}[/i][/i][/i][/i][/i][/i][/i]

[i][i][i][i][i][i][i]embedYouku(

'http://static.youku.com/v/swf/qplayer.swf',

{'winType=adshow&VideoIDS=XMTE3NzQ0NTky&isAutoPlay=false&isShowRelatedVideo=false'}

);[/i][/i][/i][/i][/i][/i][/i]

[i][i][i][i][i][i][i]function makeMenu(items, tags) {

tags = tags || ['ul', 'li']; // default tags

var parent = tags[0];

var child = tags[1];

var item, value = '';

for (var i = 0, l = items.length; i < l; i++) {

item = items[i];

// Separate item and value if value is present

if (/:/.test(item)) {

item = items[i].split(':')[0];

value = items[i].split(':')[1];

}

// Wrap the item in tag

items[i] = '<'+ child +' '+

(value && 'value="'+value+'"') +'>'+ // add value if present

item +'';

}

return '<'+ parent +'>'+ items.join('') +'';

}[/i][/i][/i][/i][/i][/i][/i][/i][/i][/i][/i]

[i][i][i][i][i][i][i][i][i][i][i]// Dropdown select month

makeMenu(

['January:JAN', 'February:FEB', 'March:MAR'], // item:value

['select', 'option']

);

// List of groceries

makeMenu(

['Carrots', 'Lettuce', 'Tomatos', 'Milk'],

['ol', 'li']

);[/i][/i][/i][/i][/i][/i][/i][/i][/i][/i][/i]

//购物车控制显示

$("#head_car").hover(function(){

    $(this).css("background", "#FBFEE9");

    $(".head_car_text").css("color", "#ff6700");

    $("#car_content").css({"width":"300px"}).animate({

        height:"100px"

    },400).finish();

},function(){

    $(this).css("background", "#424242");

    $(".head_car_text").css("color", "#b0b0b0");

    $("#car_content").css({"width":"300px"}).animate({

        height:"0px"

    },400);

})

//导航栏控制显示

$(".menu_li").hover(function(){

    $("#menu_content_bg").css("border","1px solid #D0D0D0");

    $(this).css("color","#ff6700");

    $("#"+$(this).attr("control")).show();

    $("#menu_content_bg").height(230);

},function(){

    $("#"+$(this).attr("control")).hide();

   $(this).css("color"," #424242");

    $("#menu_content_bg").height(0);

    $("#menu_content_bg").css("border","0px solid #D0D0D0");

})

//搜索框失去和获取焦点border颜色改变

$("#find_input").focus(function(){

    $("#find_wrap").css("border","1px solid #ff6700");

    $("#find_but").css("border-left","1px solid #ff6700");

})

$("#find_input").blur(function(){

    $("#find_wrap").css("border","1px solid #F0F0F0");

    $("#find_but").css("border-left","1px solid #F0F0F0");

})

//搜索按钮的背景颜色改变

$("#find_but").hover(function(){

    $(this).css({"background":"#ff6700",color:"#fff"});

},function(){

    $(this).css({"background":"#fff",color:"#424242"});

})

//菜单栏的显示

$("#banner_menu_wrap").children().hover(function(){

    $(this).css("background","#ff6700");

    $(this).children(".banner_menu_content").css("border","1px solid #F0F0F0").show();

},function(){

    $(this).css("background","none");

    $(this).children(".banner_menu_content").css("border","0px solid #F0F0F0").hide();

})

$.ajax({

        url: '/Home/AjaxGetData',            

        success: function (data) {

            alert(data);

        },

        error: function (jqXHR, textStatus, errorThrown) {

            /*错误信息处理*/

        }

    });

• readyState :当前状态,0-未初始化，1-正在载入，2-已经载入，3-数据进行交互，4-完成。
• status  ：返回的HTTP状态码，比如常见的404,500等错误代码。
• statusText ：对应状态码的错误信息，比如404错误信息是not found,500是Internal Server Error。
• responseText ：服务器响应返回的文本信息

$.ajax({

        url: '/AJAX请求的URL',            

        success: function (data) {

            alert(data);

        },

        error: function (jqXHR, textStatus, errorThrown) {

            /*弹出jqXHR对象的信息*/

            alert(jqXHR.responseText);

            alert(jqXHR.status);

            alert(jqXHR.readyState);

            alert(jqXHR.statusText);

            /*弹出其他两个参数的信息*/

            alert(textStatus);

            alert(errorThrown);

        }

    });