传统字符串拼接代码如下
<script>ES6 引入模板字符串来简化了字符串的拼接
var firstname="张"
var lastname="三"
var Splicing="我的姓"+firstname+"名字叫"+lastname
console.log(Splicing) //我的姓张名字叫三
</script>
<script>模板字符串还支持表达式和函数
var newSplicing=`我姓${firstname}名${lastname}`
console.log(newSplicing) //我姓张名三
</script>
<script>
function add (x,y){
return x+y;
}
var x=5;
var y=3;
var result=`5+3=${x+y}`;
console.log(result) //5+3=8
var result2=`5+3=${add(x,y)}`
console.log(result) //5+3=8
</script>
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