<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
//去除前后空格，trim();
// var str1 = " a b c ";
// console.log(str1);
// console.log(str1.trim());
//replace()替换
// var str2 = "Today is fine day,today is fine day a!!!"
// console.log(str2);
// console.log(str2.replace(/today/gi,"tomorrow"));
//字符串变数组split(); 无参，是把字符串作为一个元素添加进数组中。空字符串，分隔字符串中每一个字符，分别添加进入数组中
//指定字符分隔数组：特殊符号将不会出现在数组的任意一个元素中
var str3 = "关羽|张飞|刘备";
console.log(str3);
console.log(str3.split("|"));
</script>
</body>
</html>
splice
