javascript全选按钮如何实现第二次点击，全部不选

input type="checkbox" id="checkAll"/全选/全不选

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div id="itemContainer"

input type="checkbox" /A

input type="checkbox" /B

input type="checkbox" /C

/div

script type="text/javascript"

window.onload = init;

function init() {

var checkAllNode = document.getElementById("checkAll"),

itemContainerNode = document.getElementById("itemContainer"),

items = itemContainerNode.getElementsByTagName("input");

checkAllNode.onclick = function() {

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

items[i].checked = this.checked;

}

}

}

/script

上面是个DEMO，你根据需要自己改一下就能用了

qq空间代码大全

说明：本文是借鉴而来没别的目的只想让大家把空间弄的更加漂亮。

6款漂浮物：

梦的希望（绿色） javascript:window.top.space_addItem(5,609,0,0,1,1,0);

梦的希望(彩色) javascript:window.top.space_addItem(5,609,0,0,7,1,0);

爱情天使(单个) javascript:window.top.space_addItem(5,1097,0,0,1,1,0);

爱情天使(多个) javascript:window.top.space_addItem(5,1097,0,0,4,1,0);

英文字母(H) javascript:window.top.space_addItem(5,1816,0,0,1,1,0);

英文单词(HAPPY) javascript:window.top.space_addItem(5,1816,0,0,5,1,0);

透明公告栏:

LOVELETTER javascript:window.top.space_addItem(12,1072,0,0,96,96,1);

开场动画：

月光马javascript:window.top.space_addItem(14,5077,0,0,1,1,0); 好看的

分享javascript:window.top.space_addItem(14,5329,0,0,1,1,0); 好看的

幽夜幕javascript:window.top.space_addItem(14,5002,0,0,1,1,0);

好大的风javascript:window.top.space_addItem(14,4916,0,0,1,1,0);

母亲节的礼物javascript:window.top.space_addItem(14,4913,0,0,1,1,0);

太阳javascript:window.top.space_addItem(14,4772,0,0,1,1,0);

欢迎你来到我的小屋javascript:window.top.space_addItem(14,4386,0,0,1,1,0);

(新)书：javascript:window.top.space_addItem(14,4387,0,0,1,1,0);

(新)球奖杯：javascript:window.top.space_addItem(14,5242,0,0,1,1,0);

(新)球 javascript:window.top.space_addItem(14,5423,0,0,1,1,0);

(新) javascript:window.top.space_addItem(14,7983,0,0,1,1,0);

全黑皮肤代码(黄钻): javascript:window.top.space_addItem(1,1307,0,0,0,100,94);

4.0皮肤:

免费黑色皮肤(封掉了,价格30QB)：javascript:window.top.space_addItem(1,12736,0,80,0,0,93);

(新) 玫瑰黑紫色皮肤: javascript:window.top.space_addItem(1,8669,0,80,0,0,94);

(新) 测试（老女人）：javascript:window.top.space_addItem(1,11762,0,0,0,1,94);

(新) 快乐十分：javascript:window.top.space_addItem(1,8674,0,80,100,100,94);

(新) 妖夜玫瑰：javascript:window.top.space_addItem(1,9475,0,0,1,1,93);

(新) 黑暗世界：javascript:window.top.space_addItem(1,9475,0,0,1,1,94);

(新) 红极一时bg：javascript:window.top.space_addItem(1,11273,0,80,0,0,93);

(新) 红极一时top：javascript:window.top.space_addItem(1,11273,0,80,0,0,94);

QQ空间全屏 QQ之声：javascript:window.top.space_addItem(1,15306,0,0,1,1,94);

QQ三囯: javascript:window.top.space_addItem(1,15166,0,80,0,0,94);

3.0与4.0皮肤:

夜光 javascript:window.top.space_addItem(1,6510,0,0,0,1,94);

最美的花 javascript:window.top.space_addItem(1,7513,0,0,0,1,94);

幸福的故事 javascript:window.top.space_addItem(1,4703,0,0,0,1,94);

那年的歌 javascript:window.top.space_addItem(1,7619,0,0,0,1,94);

如此的爱 javascript:window.top.space_addItem(1,4693,0,0,0,1,94);

3.0皮肤

(新) 测试（老女人）：javascript:window.top.space_addItem(1,11762,0,0,0,1,1);

(新) 广告：javascript:window.top.space_addItem(1,10425,0,0,0,1,1);

(新) 2个女：javascript:window.top.space_addItem(1,10144,0,0,0,1,0);

COCA COLA javascript:window.top.space_addItem(1,5669,0,0,0,1,0);

足球javascript:window.top.space_addItem(1,5668,0,0,0,1,0);

足球javascript:window.top.space_addItem(1,5667,0,0,0,1,0);

足球javascript:window.top.space_addItem(1,5666,0,0,0,1,0);

中国旗javascript:window.top.space_addItem(1,2250,0,0,1,1,0);

橙色视觉：javascript:window.top.space_addItem(1,1328,0,0,0,1,0);

河流：javascript:window.top.space_addItem(1,1304,0,0,0,1,0);

少女情怀：javascript:window.top.space_addItem(1,1305,0,0,0,1,0);

星悬月：javascript:window.top.space_addItem(1,1306,0,0,0,1,0);

欲望小溪：javascript:window.top.space_addItem(1,1307,0,0,0,1,0);

兰色韵律：javascript:window.top.space_addItem(1,1333,0,0,0,1,0);

春天：javascript:window.top.space_addItem(1,1303,0,0,0,1,0);

红：javascript:window.top.space_addItem(1,1330,0,0,0,1,0);

彩色：javascript:window.top.space_addItem(1,1327,0,0,0,1,0);

4.0空间单色皮肤

javascript:window.top.space_addItem(1,4693,0,0,0,0,93); 全粉带花瓣

javascript:window.top.space_addItem(1,5669,0,80,0,0,93); 全白

javascript:window.top.space_addItem(1,1,0,0,0,0,93); 全蓝

javascript:window.top.space_addItem(1,15306,0,0,0,0,93); 全橙色

javascript:window.top.space_addItem(1,7513,0,80,0,0,93); 黄

javascript:window.top.space_addItem(1,7619,0,80,0,0,93); 青

javascript:window.top.space_addItem(1,7510,0,80,0,0,93); 紫

播放器：

旋律 javascript:window.top.space_addItem(6,1228,0,0,200,200,0); 最好看的

Blue javascript:window.top.space_addItem(6,676,0,0,200,200,0);

古式 javascript:window.top.space_addItem(6,703,0,0,200,200,0);

古式 javascript:window.top.space_addItem(6,702,0,0,200,200,0);

隐藏播放器代码

javascript:window.top.space_addItem(6,676,1899,0,200,200,0);

或

javascript:window.top.space_addItem(opacity=6);最新(本人发现滴)

鼠标代码

(新) javascript:window.top.space_addItem(4,4966,0,0,0,1,0);

(新) javascript:window.top.space_addItem(4,1151,0,0,0,1,0); 老鹰

(新) javascript:window.top.space_addItem(4,5535,0,0,1,1,0);

(新) javascript:window.top.space_addItem(4,5837,0,0,1,1,0);

导航：

(新) 女人javascript:window.top.space_addItem(13,9758,0,0,200,600,0); 女生适合

(新) 花系列：javascript:window.top.space_addItem(13,5503,0,0,600,200,0); 好看的

(新) 清甜爽口：javascript:window.top.space_addItem(13,9114,0,0,200,600,0); 好看的

深海奥妙javascript:window.top.space_addItem(13,5003,0,0,600,200,0);

流金岁月javascript:window.top.space_addItem(13,5330,0,0,600,200,0);

摘星javascript:window.top.space_addItem(13,5145,0,0,600,200,0);

西瓜javascript:window.top.space_addItem(13,4384,0,0,600,200,0);

挂件:

有翅膀的瓶子：javascript:window.top.space_addItem(2,4965,0,0,200,200,0);

蛋糕挂件：javascript:window.top.space_addItem(16,15916,0,0,200,200,0);

COCA COLA系列

javascript:window.top.space_addItem(2,5875,0,0,200,200,0);

javascript:window.top.space_addItem(2,5876,0,0,200,200,0);

javascript:window.top.space_addItem(2,5878,0,0,200,200,0);

javascript:window.top.space_addItem(2,5881,0,0,200,200,0);

足球系列

女子加油：javascript:window.top.space_addItem(2,5879,0,0,200,200,0);

男子加油：javascript:window.top.space_addItem(2,5880,0,0,200,200,0);

法国足球：javascript:window.top.space_addItem(2,5797,0,0,200,200,0); (新.本人发现)

黄钻1款钥匙挂件:

闪: javascript:window.top.space_addItem(16,16911,0,80,0,0,94); 漂亮

健康快乐： javascript:window.top.space_addItem(16,14430,0,0,200,200,0);

俺是有钱人： javascript:window.top.space_addItem(16,14431,0,0,200,200,0);

金牛座： javascript:window.top.space_addItem(16,14429,0,0,200,200,0);

4.0勋章：javascript:window.top.space_addItem(16,13364,0,0,200,200,0);

带7个人参娃娃的花

(新) javascript:window.top.space_addItem(7,20981,0,0,0,1,0);

想要的速度，不知官方什么时候就给封了呀。

把花设置为透明代码:

javascript:window.top.space_addItem(opacity=7);

最便宜的横幅拿来隐藏(1.9QB):

javascript:window.top.space_addItem(19,14687,10,100,100,100,100);

用javascript生成一个注册页面，要求用户名和密码不能为空，密码和确认密码一样，年龄在0到100之间，急

给你个类似的话 自己改下就好

html

head

meta http-equiv="Content-Type" content="text/html; charset=utf-8" /

title欢迎进入注册页面/title

script language="javascript"

function checkname(){

var div = document.getElementById("div1");

div.innerHTML = "";

var name1 = document.form1.text1.value;

if (name1 == "") {

div.innerHTML = "font color=red姓名不能为空！/font";

document.form1.text1.focus();

return false;

}

if (name1.length 4 || name1.length 16) {

div.innerHTML = "font color=red姓名输入的长度4-16个字符！/font";

document.form1.text1.select();

return false;

}

return true;

}

function checkpassword(){

var div = document.getElementById("div2");

div.innerHTML = "";

var password = document.form1.text2.value;

if (password == "") {

div.innerHTML = "font color=red密码不能为空！/font";

document.form1.text2.focus();

return false;

}

if (password.length 4 || password.length 12) {

div.innerHTML = "font color=red密码长度4-12位/font";

document.form1.text2.select();

return false;

}

return true;

}

function checkrepassword(){

var div = document.getElementById("div3");

div.innerHTML = "";

var password = document.form1.text2.value;

var repass = document.form1.text3.value;

if (repass == "") {

div.innerHTML = "font color=red密码不能为空！/font";

document.form1.text3.focus();

return false;

}

if (password != repass) {

div.innerHTML = "font color=red输入密码和确认密码长度不一致/font";

document.form1.text3.select();

return false;

}

return true;

}

function checkEmail(){

var div = document.getElementById("div4");

div.innerHTML = "";

var email = document.form1.text4.value;

var sw = email.indexOf("@", 0);

var sw1 = email.indexOf(".", 0);

var tt = sw1 - sw;

if (email.length == 0) {

div.innerHTML = "font color=red电子邮件不能为空/font";

document.form1.text4.focus();

return false;

}

if (email.indexOf("@", 0) == -1) {

div.innerHTML = "font color=red电子邮件格式不正确，必须包含@符号！/font";

document.form1.text4.select();

return false;

}

if (email.indexOf(".", 0) == -1) {

div.innerHTML = "font color=red电子邮件格式不正确，必须包含.符号！/font";

document.form1.text4.select();

return false;

}

if (tt == 1) {

div.innerHTML = "font color=red邮件格式不对。@和.不可以挨着！/font";

document.form1.text4.select();

return false;

}

if (sw sw1) {

div.innerHTML = "font color=red电子邮件格式不正确，@符号必须在.之前/font";

document.form1.text4.select();

return false;

}

else {

return true;

}

return ture;

}

function checkPhone(){

var div = document.getElementById("div5");

div.innerHTML = "";

var phone = document.form1.text5.value;

if (phone == "") {

div.innerHTML = "font color=red手机号不能为空！/font";

document.form1.text5.focus();

return false;

}

if (phone.length == 11) {

div.innerHTML = "font color=red手机号码只能为11个字符！/font";

document.form1.text5.select();

return false;

}

return true;

}

function check(){

if (checkname() checkpassword() checkrepassword() checkEmail()checkPhone()) {

var a = document.form1.text1.value;

var b = document.form1.text2.value;

var c = document.form1.text4.value;

var d = document.form1.text5.value;

var e = document.form1.text6.value;

alert("用户名:"+a+",密码:"+b+",邮件："+c+",手机号码是:"+d+".学历是:"+e+",爱好：");

return true;

}

else {

return false;

}

}

/script

/head

body

form name="form1" onSubmit="return check()"

table border="1" align="center"

tr

td

div align="right"用户名：/div/td

td

input id="text1" type="text" name="text1" onBlur="check()"

div id="div1" style="display:inline;" /div /td

/tr

tr

td

div align="right"密码： /div/td

td

input id="text2" type="password" name="text2" onBlur="check()"

div id="div2" style="display:inline" /div /td

/tr

tr

td

div align="right"确认密码： /div/td

td

input id="text3" type="password" name="text3" onBlur="check()"

div id="div3" style="display:inline" /div /td

/tr

tr

td

div align="right"电子邮件地址： /div/td

td

input id="text4" type="text" name="text4" onBlur="check()"

div id="div4" style="display:inline" /div /td

/tr

tr

td

div align="right"手机号码： /div/td

td

input id="text5" type="text" name="text5" onBlur="check()"

div id="div5" style="display:inline" /div /td

/tr

tr align="center"

tddiv align="right"学历：/div/td

tddiv align="left"

select name="text6"

option value="初中"初中/option

option value="高中"高中/option

option value="中专"中专/option

option value="大专"大专/option

option value="本科"本科/option

option value="硕士"硕士/option

option value="博士"博士/option

/select

/div/td

/tr

tr align="center"

td align="center"div align="right"兴趣爱好：/div/td

td align="center"

input type="checkbox" name="text11" value="篮球"

篮球

input type="checkbox" name="checkbox12" value="音乐"

音乐

input type="checkbox" name="checkbox13" value="足球"

足球

input type="checkbox" name="checkbox14" value="其他"

其他/td

/tr

tr align="center"

td align="center"input type="submit" value="提交" name="text8"

input type="reset" value="重置" name="text9"/td

td align="center" /td

/tr

/table

/form

/body

/html

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Amsterdamsche Football Club Ajax，简称Ajax Amsterdam，AFC Ajax 及 Ajax，Euronext： AJAX

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