Welcome to JavaScript!

3.08 字符串的比较

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Title</title>

<script type="text/javascript">

//1、字符可以比较,汉字也可以比较

//2、字符会转成ASCII码值,再比较

//3、字母越靠后越大,小写字母比大写字母大

//4、字符串从左到右比较,直到比较出结果

var a;

a="a"<"b"; //返回值为true

a="张三"<"李四"; //返回值为true

a="abc"<"def"; //返回值为true

a="abc"<"Def"; //返回值为false

a="abc"<"aef"; //返回值为false

document.write(typeof a,"<br>",a,"<br>")

</script>

</head>

<body>

</body>

</html>