javascript除去数组中的重复元素【转】
function unique(data){debugger;
data = data || [];
var a = {};
for (var i=0; i<data.length; i++) {
var v = data[i];
if (typeof(a[v]) == 'undefined'){
a[v] = 1;
}
};
data.length=0;
for (var i in a){
data[data.length] = i;
}
return data;
}
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事件源对象
event.srcElement.tagName
event.srcElement.type
捕获释放
event.srcElement.setCapture();
event.srcElement.releaseCapture();
事件按键
event.keyCode
event.shiftKey
event.altKey
event.ctrlKey
事件返回值
event.returnValue
鼠标位置
eve ......
<script language="javascript">
function test()
{
var rng=document.body.createTextRange();
alert(rng.text)
}
function test1()
{
var rng=document.body.createTextRange();
alert(rng.htmlText)
}
</script>
<input type="button" onclick="test()"& ......
<%@ page language="java" import="java.util.*,com.page.wash.giveclothing.*" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>添加表格信息</title>
<meta http-equiv="pragma" content="no-c ......
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD id="Head1">
<title>JavaScript调用本地命令</title>
<script type="text/javascript">
function exec (command)
{
window.oldOnError = window.onerror;
window._command = command;
window. ......
shift：删除原数组第一项，并返回删除元素的值；如果数组为空则返回undefined
var a = [1,2,3,4,5];
var b = a.shift(); //a：[2,3,4,5] b：1
unshift：将参数添加到原数组开头，并返回数组的长度
var a = [1,2,3,4,5];
var b = a.unshift(-2,-1); //a：[-2,-1,1,2,3,4,5] b：7
注：在IE6.0下测试返回值 ......
