js的几个案例 / 憋错料

<html>

function fun1(){

alert("buchenggong");

return false ;

}

function fun2(){

return confirm("你确定要提交吗？")

}

function fun3(){

return confirm("你确定要重置吗？");

}

</script>

</head>

<body>

<a href="http://www.baidu.com" onclick="return fun1()">baidu</a>

</form>

</body>

</html>

<html>
	<head lang="en">
	<meta charset="UTF-8">
	<title></title>
	<script type="text/javascript">
	function fun1(){
	alert("buchenggong");
	return false ;
	}

	function fun2(){
	return confirm("你确定要提交吗？")
	}

	function fun3(){
	return confirm("你确定要重置吗？");
	}

	</script>
	</head>
	<body>
	<a href="http://www.baidu.com" onclick="return fun1()">baidu</a>

	<form action="" method="get">

	<input type="text" value = "hello"/>
	<input type = "submit" value="tijiao" onclick=" return fun2()" />
	<input type="reset" value = "重置" onclick="return fun3()"/>
	</form>
	</body>
	</html>

	<!DOCTYPE html>
	<html>
	<head lang="en">
	<meta charset="UTF-8">
	<title></title>
	<script type="text/javascript">
	//var reg = /test/

	function fun1(){
	/*var reg = /test/g;
	var textA = document.getElementsByTagName("textarea")[0]
	var text = textA.value;
	alert(reg.source)
	reg.compile(/text/);


	var arr = text.match(reg);
	alert(arr);*/
	/*
	var reg = /test/gi


	var str = "asdfasdftest_Test-text";

	alert(reg.exec(str))
	alert(reg.exec(str))
	alert(reg.exec(str))
	alert(reg.lastIndex)*/

	var str = "ccccc ccc cccc ddd"

	var str = "csdfaaaaa. aa aa"
	var str ="\nwww.acombaidu.com"

	str = "ssdfkjSDFSDFab32132---csbkdf"

	//str = "today is tuesday how are you"

	//var reg = /([A-Z])\|([0-9]+)/g;


	/*
	reg = /[^a-zA-Z0-9]+/g

	// reg.compile(/a\./g)


	alert(str.match(reg));
	*/
	/*

	str = "158222656"
	str = document.getElementById("phone").value;

	//asdfasdfqq.com

	reg = /(([0-9a-z]){1,12})@(qq\|sina\|163)(\.com\|\.cn)/g

	//reg =/^1[35789][0-9]{8}[0-9]$/;
	alert(reg.test(str));*/


	/*
	reg = /1[35789]\d{8}\d$/
	str = "test#$%[email protected]#$_a sdfsdfts5656jadflj"
	reg = /\S+/g
	str = "asdfas123FFSDFsdfsdfs##$#[email protected]"
	reg = /^\w{1,12}@(qq\|sina\|163)(\.com\|\.cn)/
	//reg = /\s/g
	var arr = reg.test(str);
	alert(arr)
	//alert("\|"+arr[0]+"\|"+"\|"+arr[1]+"\|"+"\|"+arr[2]+"\|");*/

	str = "asdfhelloaaworldaa"
	/*
	0-255.0-255.0-255.0-255
	reg = /([1-9]\|([1-9][0-9])\|((1[0-9][0-9])\|(2[0-4][0-9]\|25[0-5]))\.){3}/
	reg =/aa(?!hello)/
	alert(reg.exec(str));
	/*
	str = "dd a3a3 ffddddaaaa baba3333 "


	str = str.replace(/([0-9a-z])\1{3}/g,"****");
	str = str.replace(/(\w)\1/g,"--")
	str = str.replace(/([a-z])([0-9a-z])\1\2/g,"#$#$")
	alert(str);
	/*
	//reg=/aa\|dd/
	reg = /([a-z])([0-9])\1\2/g
	alert(str.match(reg));

	//alert(reg.exec(str));*/

	str = "alhsdkfjlkjHelloasdfworldhowasdf"
	str = "2+3.2-3*4/5=5;"

	//alert(str.split(/\/\|\*\|-\|\+\|=/));

	str = "asdf_"
	reg = /[0-9a-z_]+/;

	str = "adfaasdfsdfasdfsdafasdfasdf"
	reg = /^[a-z][a-z]{5,}[a-z]$/
	alert(reg.test(str));
	//asdfasdf &(&( [email protected]
	//reg = /^[a-z0-9]\w{1,12}@(qq\|sina\|163)(\.com\|\.cn)/

	}





	</script>
	</head>
	<body>

	<textarea cols="40" rows="5">


	</textarea>

	电话：<input type="text" id="phone"/>
	<input type="button" onclick="fun1()" value="clickMe"/>
	</body>
	</html>

	<!DOCTYPE html>
	<html>
	<head lang="en">
	<meta charset="UTF-8">
	<title></title>


	<style type="text/css">
	.td{
	color: red;
	font-size: 13px;
	}

	</style>
	<script type="text/javascript">
	var str = [0,0,0,0]

	window.onload = function(){

	isNumOrChar("123123f")
	var inputs = document.getElementsByName("text")
	for(var i=0;i<inputs.length;i++){
	inputs[i].onblur = function(){
	var input = document.getElementById("tijiao")
	var text = this.value.trim()
	var tr = this.parentNode.parentNode;
	var text1 = tr.cells[0].textContent;
	var text2 = text1.substring(0,text1.length-1)
	if(text.length==0&&(text2=="用户名"\|\|text2=="密码")){
	tr.cells[2].innerHTML = text2+"不能为空";
	if(text2=="密码"){
	str[1] = 0;
	}else{
	str[0] = 0;
	}
	}
	else if(text.length<6&&(text2=="用户名"\|\|text2=="密码"))
	{
	tr.cells[2].innerHTML = text2+"长度不能小于6";
	if(text2=="密码"){
	str[1] = 0;
	}else{
	str[0] = 0;
	}
	}
	else if(isNumOrChar(text)&&(text2=="用户名"\|\|text2=="密码")){
	tr.cells[2].innerHTML = text2+"不能纯数字或者纯字母";
	if(text2=="密码"){
	str[1] = 0;
	}else{
	str[0] = 0;
	}
	}
	else if(text2=="邮箱"&&text.length==0){
	tr.cells[2].innerHTML = text2+"不能为空";
	str[2] = 0;
	}
	else if(text2=="邮箱"&&isNotEmail(text))
	{
	tr.cells[2].innerHTML = text2+"格式不正确";
	str[2] = 0;
	}
	else if(text2=="手机"&&text.length==0)
	{
	tr.cells[2].innerHTML = text2+"不能为空";
	str[3] = 0;
	}else if(text2=="手机"&&isNotPhone(text))
	{
	tr.cells[2].innerHTML = text2+"格式不正确";
	str[3] = 0;
	}
	else{
	tr.cells[2].innerHTML = "";
	switch (text2){
	case "手机":
	str[3] = 1;
	break;
	case "邮箱":
	str[2] = 1;
	break;
	case "用户名":
	str[0] = 1;
	break;
	case "密码":
	str[1] = 1;
	break;
	}
	}

	if(str.toString()=="1,1,1,1"){
	input.disabled = false;
	}else{
	input.disabled = true;
	}
	}
	}
	}

	function isNumOrChar(str){

	var reg = /^\d\d{4,}\d$/g
	var reg1 = /^[a-z][a-z]{4,}[a-z]$/g

	return (reg.test(str)\|\|reg1.test(str))
	}

	function isNotEmail(str){
	var reg = /^\w\w{5,12}@(qq\|sina\|163)(\.com\|\.cn)/g
	return !reg.test(str);
	}

	function isNotPhone(str){
	var reg = /^1[35789]\d{8}\d$/
	return !reg.test(str)
	}

	</script>
	</head>
	<body>
	<form>
	<table>
	<tr>
	<td>用户名:</td>
	<td><input type ="text" name = "text"/></td>
	<td class="td"></td>
	</tr>
	<tr>
	<td>密码:</td>
	<td><input type ="password" name = "text"/></td>
	<td class="td"></td>
	</tr>
	<tr>
	<td>邮箱:</td>
	<td><input type ="text" name = "text"/></td>
	<td class="td"></td>
	</tr>

	<tr>
	<td>手机:</td>
	<td><input type ="text" name = "text"/></td>
	<td class="td"></td>
	</tr>
	<tr>
	<td></td>
	<td colspan="2">
	<input type="submit" value="submit" disabled = "disabled" id="tijiao"/>
	<input type="reset" value="reset"/>
	</td>

	</tr>
	</table>

	</form>
	</body>
	</html>

时间： 2024-12-31 03:35:59

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