Revision control
Copy as Markdown
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* Handles the parsing of the ErrorPages URI and then passes them to injectValues
*/
function parseQuery(queryString) {
if (queryString[0] === '?') {
queryString = queryString.substr(1);
}
const query = Object.fromEntries(new URLSearchParams(queryString).entries());
injectValues(query);
};
/**
* Updates the HTML elements based on the queryMap
*/
function injectValues(queryMap) {
// Go through each element and inject the values
document.title = queryMap.title;
document.getElementById('errorTitleText').innerHTML = queryMap.title;
document.getElementById('errorShortDesc').innerHTML = queryMap.description;
// If no image is passed in, remove the element so as not to leave an empty iframe
const errorImage = document.getElementById('errorImage');
if (!queryMap.image) {
errorImage.remove();
} else {
}
}
document.addEventListener('DOMContentLoaded', function () {
if (window.history.length == 1) {
document.getElementById('backButton').style.display = 'none';
} else {
document.getElementById('backButton').addEventListener('click', () => window.history.back() );
}
});
parseQuery(document.documentURI);