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Array.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Examples</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
</head>
<body>
<script type="text/javascript">
var x ;
var mycars = new Array();
mycars[0] = "jim";
mycars[1] = "dive";
mycars[2] = "asd";
for(x in mycars){
document.write(mycars[x]+"<br/>")
}
var c = mycars.pop(); // 删除数组最后一项，并返回数组的个数 2
console.log(c)
var b = mycars.push("as","sdf"); // 将参数添加到原数组的末尾 并返回数组的长度
console.log(b)
var d = mycars.concat("Qwe","assd");
console.log(mycars)
console.log(d)
var e = d.join("|"); // 以 | 分隔数组成字符串 jim|dive|as|sdf|qwe|assd
console.log(e)
// e jim|dive|as|sdf|qwe|assd
var f = e.split("|"); // 以 | 来分割字符串创建数组 ["jim", "dive", "as", "sdf", "qwe", "assd"]
console.log(f);
var g = f.reverse(); // 把数组中的元素颠倒顺序
console.log(g);
g.sort()
console.log(g); // 把数组重新排序 如果数组里面有undefined 则会把undefined排到最后 区分大小写
var data = [1,2,3,4,5,6];
// data.forEach(function(e){
// console.log(e);
// })
for (var i = 0; i < data.length; i++) {
console.log(data[i]);
};
</script>
</body>
</html>