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<html>
<head>
<title>¼òµ¥¼ÆËãÆ÷µÄÖÆ×÷</title>
</head>
<mce:script language="JavaScript"><!--
function say(){
var one = parseInt(document.getElementById("one").value);//½«Îı¾ÄÚÈÝת»»ÊýÖµ
var two = parseInt(document.getElementById("two").value);
var flag = document.getElementById("flag").value;
if(isNaN(one)){ //isNanÅжÏÊÇ·ñΪÊý×Ö
alert('ÇëÊäÈëÊý×Ö');
}else if(isNaN(two)){
alert('ÇëÊäÈëÊý×Ö');
}else{
var sum = 0;
switch(flag){
case "+":
sum = one + two;
break;
case "-":
sum = one - two;
break;
case "*":
sum = one * two;
break;
case "/":
sum = one / two;
break;
}
document.getElementById("result").innerHTML = "<font color=red>" + sum + "</font>"
}
}
<body>
<input type="text" name="one" id="one">
<select name="flag" id="flag">
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
<input type="text" name="two" id="two">
<input type="button" value="=" onClick="say()">
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<input type="text" name="result" id="result">
-->
<span id="result"></span>
</body>
</html>
<html>
<head>
<title>¼òµ¥¼ÆËãÆ÷µÄÖÆ×÷</title>
</head>
<mce:script language="JavaScript"><!--
function say(){
var one = parseInt(document


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This document is for establishing build standard for JavaScript and CSS compression
The objective for this document is to establish a companywide JavaScript and CSS compression standard that can be shared crossing multiple SharePoint product development projects. This is the first draft
Overview ......

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javascript stuffs

Primitive types
1. undefined, null, boolean, number, string; undefined is derived from null.
e.g. var tmp; typeof tmp == undefined.
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