JavaScript 正则表达式经典实例整理
<html>
<head>
<title>test javaScript</title>
//css设置图像的透明度
<mce:style><!--
img
{
filter:alpha(opacity=10)
}
--></mce:style><style mce_bogus="1">img
{
filter:alpha(opacity=10)
}</style>
<mce:script type="text/javascript"><!--
function abort(){
alert("abort is invoked!");
}
function testConfirm(){
result=confirm("testConirm is completed");
if(result)
alert("you choose continue..."+result);
else
alert("you choose stop..."+result);
}
function testPrompt(){
var x=prompt("Enter a number between 0 and 10:","")
try{
if(x>10)
throw "Err1";
else if(x<0)
throw "Err2";
else
alert("the result is:"+x);
} catch(er){
if(er=="Err1")
alert("Error! The value is too high");
if(er == "Err2")
alert("Error! The value is too low") ;
}
}
function getWeekday(str){
//You will receive a different greeting based
//on what day it is. Note that Sunday=0,
//Monday=1, Tuesday=2, etc.
var d=new Date(str)
theDay=d.getDay()
switch (theDay)
{
case 1:
alert("Monday");
break;
case 2:
alert("Tuesday");
break;
case 3:
alert("Wednesday");
break;
case 4:
alert("Thursday");
break;
case 5:
alert("Finally Friday")
break;
case 6:
alert("Super Saturday")
break;
case 0:
alert("Sleepy Sunday")
break;
default:
alert("I'm looking forward to this weeke nd!");
}
}
function add(a,b){
c=a+b;
return c;
}
function addResult(){
a=prompt("please input a number","0");
b=prompt("please input another number","0");
alert("the result of "+a+","+b+"is:"+add(a,b));
}
function welcome(){
//alert("Welcome to my Homepage!");
}
function goodbye(){
//alert("goodbye!");
}
fu
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title> JavaScript: xm ......
/********************
* 取窗口滚动条高度
******************/
function getScrollTop()
{
var scrollTop=0;
if(document.documentElement&&document.documentElement.scrollTop)
{
......
<html>
<head>
<base href="<%=basePath%>">
<script type="text/javascript">
function check(){
var name1 = document.form1.name1.value;
var passwor ......
对于1个单引号，则转义该单引号
对于1个反斜杠跟1个单引号，则不管它。
对于2个及以上的反斜杠加一个单引号，则分别对每个反斜杠和单引号都进行转义，即 使反斜杠数目保持不变， 并转义单引号。
/// <summary>
/// 对于单引号而言，若前面有偶数个反斜杠则异常，奇数个反斜杠则正常
/// < ......
