thekarel/async-script-tag.js

## async-script-tag.js
// Asynchronously load and execute a script from a specified URL
// Lifted from JavaScript: The Definitive Guide, 6th edition, p. 320
function loadasync(url) {
  var head = document.getElementsByTagName("head")[0]; // Find document <head>
  var s = document.createElement("script"); // Create a <script> element
  s.src = url; // Set its src attribute
  head.appendChild(s); // Insert the <script> into head
}
	// Asynchronously load and execute a script from a specified URL
	// Lifted from JavaScript: The Definitive Guide, 6th edition, p. 320
	function loadasync(url) {
	var head = document.getElementsByTagName("head")[0]; // Find document <head>
	var s = document.createElement("script"); // Create a <script> element
	s.src = url; // Set its src attribute
	head.appendChild(s); // Insert the <script> into head
	}