js replace

替换单个字符串：

1 var str="Visit Microsoft!"
2

替换多个字符串：

1 var str="Welcome to Microsoft! ";
2 str=str + "We are proud to announce that Microsoft has ";
3 str=str + "one of the largest Web Developers sites in the world.";
4

替换转义字符：

1 var str="Welcome to "Microsoft"! ";
2 str=str + "We are proud to announce that "Microsoft" has ";
3 str=str + "one of the largest Web Developers sites in the world.";
4 console.log(str.replace(/Microsoft/g, "W3School"))
5 console.log(str.replace(new

参考地址：

​​https://www.w3school.com.cn/jsref/jsref_replace.asp​​

我从来不相信什么懒洋洋的自由。我向往的自由是通过勤奋和努力实现的更广阔的人生。 我要做一个自由又自律的人，靠势必实现的决心认真地活着。