devbyray

var domIsReady = (function(domIsReady) {  
  var isBrowserIeOrNot = function() {
    return (!document.attachEvent || typeof document.attachEvent === "undefined" ? 'not-ie' : 'ie');
  }
  
  domIsReady = function(callback) {
    if(callback && typeof callback === 'function'){
      if(isBrowserIeOrNot() !== 'ie') {
        document.addEventListener("DOMContentLoaded", function() {
          return callback();

wpscholar

<?php

add_action( 'wp_enqueue_scripts', 'enqueue_my_styles' );

/**
 * Example callback function that demonstrates how to properly enqueue conditional stylesheets in WordPress for IE.
 * IE10 and up does not support conditional comments in standards mode.
 *
 * @uses wp_style_add_data() WordPress function to add the conditional data.
 * @link https://developer.wordpress.org/reference/functions/wp_style_add_data/

thomasgriffin

<?php
/**
 * Database emtpying and file removing class.
 *
 * Truncates all necessary tables in the defined database and removes
 * any files uploaded by the demo user.
 *
 * @since 1.0.0
 *
 * @author Thomas Griffin