ES6 字符串拼接
ES6 引入模板字符串来简化了字符串的拼接
传统字符串拼接代码如下
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
使用模板字符串拼接
var newSplicing=`我姓${firstname}名${lastname}` console.log(newSplicing) //我姓张名三
模板字符串还支持表达式和函数
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