JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

JavaScript

function returnPosition(myArr, str){
    var positions = [];
	for(var i = 0; i < myArr.length; i++){
        var cur = myArr[i];
    	if(str == cur){
        	positions.push(myArr.indexOf(cur));
        }
    }
    return positions;
}

var a = ["a", "b", "a", "a"];
var s = "a";
var res = returnPosition(a, s);
console.log(res);