/**
* Get Menu Items From Location
*
* @param $location : location slug given as key in register_nav_menus
*/
function getMenuItemsFromLocation($location) {
$theme_locations = get_nav_menu_locations();
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft
,elem.offsetTop
,elem.offsetWidth
,elem.offsetHeight
,elem.offsetParent