json基础

最新推荐文章于 2024-03-12 19:25:12 发布

taojYang

最新推荐文章于 2024-03-12 19:25:12 发布

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分类专栏： json 文章标签： json

本文链接：https://blog.youkuaiyun.com/weixin_43293451/article/details/91438472

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>DOM</title>
</head>
<body>
	<script type="text/javascript">
		var ming = {"name":"ming","sex":"male","age":12};//创建json对象
		document.write(ming+"<br>");//[onject Object]
		document.write("姓名："+ming.name+"<br>");//访问json
		document.write("性别："+ming.sex+"<br>");
	</script>
	
	<script type="text/javascript">
		var heros = 
		[
			{"name":"盖伦","hp":626},
			{"name":"流浪","hp":323},
			{"name":"提莫","hp":223}
		];//创建json数组
		document.write("json数组大小："+heros.length+"<br>");//3
		document.write("第三个英雄的名称："+heros[2].name+"<br>");
	</script>

	<script type="text/javascript">
		var s = "{\"name\":\"盖伦\",\"hp\":626}";
		document.write(s+"<br>");
		var hero = eval("("+s+")");//字符串转换为json对象
		document.write("转换为json对象："+hero+"<br>");//[object Object]
	</script>

	<script type="text/javascript">
		var hero = {"name":"gareen","hp":626};
		document.write("这是一个json对象："+hero+"<br>");
		document.write("<br>");
		var heroString = JSON.stringify(hero);//json对象转换为字符串
		document.write("这是一个字符串："+heroString);
	</script>


</body>
</html>