Mobile/Fennec/CodeSnippets: Difference between revisions

== Load Listener ==You can't usually just run UI code as global code in your JavaScript. You need to wait for the XUL window to finish loading before trying to access any XUL elements.<pre>window.addEventListener("load", startup, true);function startup() { // access UI elements here}</pre>== Access the Browser ==Fennec has several JavaScript objects you should use to access the browser and the browser UI. The main objects are <code>Browser</code> and <code>Tab</code>. They have the following APIs:<pre>Browser------- property browsers   gets an array of all XUL browsers. property selectedBrowser   gets the currently active XUL browser. function getTabAtIndex(index)   returns Tab or null. function getTabFromContent(content)   returns Tab or null. function addTab(uri, bringFront)   creates a new Tab with the given URI. returns the new Tab. function closeTab(tab)   closes the given Tab. property selectedTab   sets/gets the selected Tab.Tab------ property browser   gets the XUL browser for the Ta