javascript
replaceAll method 만들기
FaustK
2020. 1. 16. 22:09
javascript split method 와 join method 를 이용해서 replaceAll method 를 구현해 볼 수 있다.
String.prototype.replaceAll = function(searchVal, replaceVal) {
return this.split(searchVal).join(replaceVal);
};
const str = 'hello';
let changeStr = str.replaceAll('l', '1'); // 'he11o'
changeStr; // 'he11o;
str; // 'hello'
How working split method and join method