杨东排的博客

//num 需要处理的数值 //len *转换的长度，默认3个 function phone(num,len = 3) { return String(num).slice(0,len*-1)+"*".repeat(len); } console.log(phone(123654789,4));

//类型转换的使用技巧 const number = 99; const string = '99'; const int = "99asdfa"; const float = "99.123asdfa"; console.log(string*1);//字符串转数值 console.log(Number(string));//字符串转数值 console.log(String(number)..

通过闭包返回ajax中请求的返回值<script type="text/javascript"> var initObj = getStation()(); $.ajax({ url:"/station",//请求的URL type:"get",//请求方式 dataType:"json", success:function(result) { if(r...