//测试下在IE下不行,在火狐下可以
//这种写法拼接字符串比较方便
<script type="text/javascript" >
var person = {
name: "Snow",
age:18,
};
var str = "my name is :" + person.name + " age:" + person.age;
var str2 = `my name is ${person.name}`;
alert(str2);
</script>