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`${}`的用法

在 `` 中可以使用 ${} 直接把变量和字符串拼接起来

用法
step1: 定义需要拼接进去的字符串变量
step2: 将字符串变量用${}包起来,再写到需要拼接的地方


let name = '彭于晏'console.log( '名字为:'+name )console.log( `名字为:${name} ` )let a='Karry Wang';let str=`I love ${a}, because he is handsome.`;
//注意:这行代码是用反单号引起来的alert(str);

参考地址:=%257B%2522request%255Fid%2522%253A%2522165639630516781435488372%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=165639630516781435488372&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~top_click~default-2-108085291-null-null.142^v24^pc_rank_34,157^v15^new_3&utm_term=%24%7B%7D&spm=1018.2226.3001.4187=%257B%2522request%255Fid%2522%253A%2522165639630516781435488372%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=165639630516781435488372&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~top_click~default-2-108085291-null-null.142%5Ev24%5Epc_rank_34,157%5Ev15%5Enew_3&utm_term=%24%7B%7D&spm=1018.2226.3001.4187

本文标签: 的用法