JSFiddle - React, Tailwind, and code Playground

by glebcha

JavaScript

var arr = ["one", "two", "ten"],
 arrTwo = ["one", "two", "ten"];

var removeIndex = function(str){
  var index = this.indexOf(str),
    match = index >=0 ? true : false;
    if(true){
      return this.splice(index, 1);
    }
    return false;
};


Array.prototype._delete = function(str){
  var index = this.indexOf(str),
    match = index >=0 ? true : false;
    if(match){
      return this.splice(index, 1);
    }
    return false;
};

removeIndex.call(arr, "ten");
arrTwo._delete("ten");

console.log(arr);
console.log(arrTwo);