jquery document ready with pure js code example

Example 1: jQuery Dom ready equivalent in pure JavaScript

docReady(function() {
    // DOM is loaded and ready for manipulation here
});

Example 2: jQuery Dom ready equivalent in pure JavaScript

function docReady(fn) {
    // see if DOM is already available
    if (document.readyState === "complete" || document.readyState === "interactive") {
        // call on next available tick
        setTimeout(fn, 1);
    } else {
        document.addEventListener("DOMContentLoaded", fn);
    }
}