JSFiddle - React, Tailwind, and code Playground

by seankoole

JavaScript

/*
    jQuery 1.4.2 vs 1.4.3 -- data method extends and uses JavaScript object, instead of using internal cache

    Default is set to 1.4.3, select 1.4.2 and click run
*/

var c = {};

/*
    1.4.3 = {}
    1.4.2 = {}
*/
console.log (JSON.stringify (c));

/*
    Add data to the object
*/
$.data (c, 'foo', 'baz');

/*
    1.4.3 = {"foo":"baz"}
    1.4.2 = {"jQuery1287245056592":2} (cache expando)
*/
console.log (JSON.stringify (c));


/*
    Change the objects property value not using data
*/
c.foo = 'something else';


/*
    1.4.3 = something else
    1.4.2 = baz (from cache)
*/
console.log ($.data (c, 'foo'));