ES6 模板字符串
作用:简化字符串的拼接
语法:`字符串内容${变量}字符串内容`；
``为波浪线那个键的符号
代码示例:
<html ng-app='app' ng-controller='main' >
<head>
<meta charset="utf-8">
<meta name='viewport' content='width=device-width,user-scalable=no,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0'>
<script src='jq/jquery-3.4.1.js'></script>
<style>
</style>
</head>
<body >
<script>
let obj={name:'jeff',age:18};
let str=`我的信息:${obj.name},年龄:${obj.age}`;
console.log(str);
</script>
</body>
</html>
