js如何去掉/替换所有的空格、回车换行符

js如何去掉/替换所有的空格、回车换行符？下面web建站小编给大家详细介绍一下！

去掉所有的空格、回车换行符

var string = "你好!\r\nipkd.cn    ";

string = string.replace(/\r\n/g,"")
string = string.replace(/\n/g,"");

string = string.replace(/\s/g,"");

console.log(string);

替换所有的空格、回车换行符

var string = "你好!\r\nipkd.cn";

string = string.replace(/\r\n/g,"<br>")
string = string.replace(/\n/g,"<br>");
  
string = string.replace(/\s/g," ");

console.log(string);