JSFiddle - React, Tailwind, and code Playground

by Wentz Wu

JavaScript

var a = {
  i: 1,
  j: 1
};

$.map(a, function(value, name) {
  alert(name + ":" + value);
});

var array = [1, 2]
array.map(function(e,i) {
  alert(i + "=>" + e );
});