jiti-meet/modules/util/ScriptUtil.js

33 lines
1.1 KiB
JavaScript

/**
* Implements utility functions which facilitate the dealing with scripts such
* as the download and execution of a JavaScript file.
*/
var ScriptUtil = {
/**
* Loads a script from a specific source.
*
* @param src the source from the which the script is to be (down)loaded
* @param async true to asynchronously load the script or false to
* synchronously load the script
* @param prepend true to schedule the loading of the script as soon as
* possible or false to schedule the loading of the script at the end of the
* scripts known at the time
*/
loadScript: function (src, async, prepend) {
var d = document;
var tagName = 'script';
var script = d.createElement(tagName);
var referenceNode = d.getElementsByTagName(tagName)[0];
script.async = async;
script.src = src;
if (prepend) {
referenceNode.parentNode.insertBefore(script, referenceNode);
} else {
referenceNode.parentNode.appendChild(script);
}
},
};
module.exports = ScriptUtil;