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javascript函数

2016-09-27 13:38 155 查看
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html" charset="UTF-8">
<title>函数</title>
<script type="text/javascript" language="JavaScript">
function fun() {
alert("hello world!");
return "function";
}
function fun1(i,j,k) {
return i+j+k;
}
function Fun() {
var arr1=new Array(3);
for(i=0;i<arr1.length;i++)
{
arr1[i]=i+1;
}
var str="数组的内容为:";
for(i=0;i<arr1.length;i++)
{
str+=arr1[i]+",";
}
return str;
}
alert(fun());
alert(fun1(1,2,3));
document.write(Fun());
document.write("<br>");
document.write(Fun().toString());
function Fun1() {
var arr2=new Array('c','c++','c#');
var Str="<br>编程语言:"+arr2;
return Str;
}
document.write(Fun1());
</script>
</head>
<body>

</body>
</html>
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