javascript replace string

var str = "JavaScript replace method test";
var res = str.replace("test", "success");  
//res = Javscript replace method successvar res = str.replace("find", "replace");function replaceAll(str, find, replace) {
    var escapedFind=find.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
    return str.replace(new RegExp(escapedFind, 'g'), replace);
}
//usage example
var sentence="How many shots did Bill take last night? That Bill is so crazy!";
var blameSusan=replaceAll(sentence,"Bill","Susan"); let string = 'soandso, my name is soandso';

let replaced = string.replace(/soandso/gi, 'Dylan');

console.log(replaced); //Dylan, my name is Dylanlet re = /apples/gi; 
let str = "Apples are round, and apples are juicy.";
let newstr = str.replace(re, "oranges"); 
console.log(newstr)

output:

"oranges are round, and oranges are juicy."str.replace(/abc/g, '');