String.prototype.myReplace = function (f, e) {//把f替换成e
var reg = new RegExp(f, "g"); //创建正则RegExp对象
return this.replace(reg, e);
}
let
str =
"2018-8-14"
;
str.myReplace(
'-'
,
'/'
)
//2018-8-14
String.prototype.myReplace = function (f, e) {//把f替换成e
var reg = new RegExp(f, "g"); //创建正则RegExp对象
return this.replace(reg, e);
}
let
str =
"2018-8-14"
;
str.myReplace(
'-'
,
'/'
)
//2018-8-14