Remove some unused dotjs
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Jonathan Hodgson
parent
cd9bf521e5
commit
08ce9a077d
1 changed files with 0 additions and 218 deletions
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@ -1,218 +0,0 @@
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(function(){
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var previousWidth = window.innerWidth;
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var menuState = "unset";
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var nav;
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/**
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* keyboardInteract
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*
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* controlls the keyboard interaction on the menu.
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*
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* @param a <element>: The anchor element that has focus
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* @param interaction <string>: The type of interaction left/right/up/down/tab etc.
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* @param e <event>: The event (so we can prevent default etc)
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* @param loc <string>: The location of the anchor that has focus top/inner
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**/
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function keyboardInteract(a,interaction,e, loc){
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if (loc == "top"){ //If focus is on one of the top row
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switch (interaction){
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case "up": //I don't think this should ever be needed but close the submenu
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closeChildMenu(a.parentElement);
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e.preventDefault();
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e.stopPropagation();
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break;
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case "down": //Open the sub menu
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openChildMenu(a.parentElement);
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e.preventDefault();
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e.stopPropagation();
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break;
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case "left": //Move to the left (or last if at first)
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var previousLi = a.parentElement.previousElementSibling;
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if(previousLi == null){
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var children = a.parentElement.parentElement.children;
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previousLi = children[children.length - 1];
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}
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previousLi.querySelector("a").focus();
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e.preventDefault();
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e.stopPropagation();
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break;
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case "right": //Move to the right or first if on last
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var nextLi = a.parentElement.nextElementSibling;
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if(nextLi == null){
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nextLi = a.parentElement.parentElement.querySelector("li"); //This is the first li
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}
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nextLi.querySelector("a").focus();
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e.preventDefault();
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e.stopPropagation();
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break;
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}
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} else if (loc == "second"){
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switch (interaction){
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case "esc":
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case "up":
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var containerLi = a.parentElement.parentElement.parentElement;
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if(containerLi.tagName.toUpperCase() == "ul"){ //This section is for the 2 row Health and Safety catagory
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containerLi = containerLi.parentElement;
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}
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closeChildMenu(containerLi);
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e.preventDefault();
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e.stopPropagation();
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break;
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case "right":
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var nextLi = a.parentElement.nextElementSibling;
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if(nextLi == null){ //If on last li, go to first
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nextLi = a.parentElement.parentElement.children[0];
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}
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while(nextLi.querySelector("a")==null){
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nextLi = nextLi.nextElementSibling;
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if(nextLi == null){ //If on last li, go to first
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nextLi = nextLi.parentElement.children[0];
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}
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}
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nextLi.querySelector("a").focus();
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e.preventDefault();
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e.stopPropagation();
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break;
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case "left":
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var nextLi = a.parentElement.previousElementSibling;
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if(nextLi == null){ //If on last li, go to first
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nextLi = a.parentElement.parentElement.children[a.parentElement.parentElement.children.length -1];
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}
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while(nextLi.querySelector("a")==null){
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nextLi = nextLi.previoudElementSibling;
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if(nextLi == null){ //If on last li, go to first
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nextLi = nextLi.parentElement.children[nextLi.parentElement.children.length - 1];
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}
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}
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nextLi.querySelector("a").focus();
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e.preventDefault();
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e.stopPropagation();
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break;
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case "down":
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//If it has third level anchors under it
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//Focus on child nav
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//Else if it has a second row of sub-cats
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//If there is one directly beneith current focus, focus on it
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//Else focus the last in the row below
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//Else dont do anything
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e.preventDefault();
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e.stopPropagation();
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break;
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case "up":
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//If on the second row, go to the first row
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//If the element above in the first row has sub-sub-cats, focus the last of them
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//Otherwise focus on the sub-cat directly benieth
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//If on the first row close the submenu
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}
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}
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}
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/**
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* setupKeyboardEventListeners
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*
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* Sets up the event listenrs for an array like object of elements (normally anchors or buttons)
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*
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* els <array|nodelist>: The list of elements
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* position <string>: The position string to be passed to the new function
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**/
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function setupKeyboardEventListeners(els, position){
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els.forEach(function(a,i,list){
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var self = a;
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a.fpEvent=function(e){
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var keyCode = e.keyCode;
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switch (keyCode) {
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case 38: // Up arrow
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case 75: // K key
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keyboardInteract(self,"up",e,position);
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break;
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case 40: // Down arrow
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case 74: // J Key
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keyboardInteract(self,"down",e,position);
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break;
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case 37: // Left arrow
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case 72: // H Key
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keyboardInteract(self,"left",e,position);
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break;
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case 39: // Right arrow
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case 76: // L Key
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keyboardInteract(self,"right",e,position);
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break;
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case 9: // Tab Key
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keyboardInteract(self,"tab",e,position);
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break;
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case 27: // ESC Key
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keyboardInteract(self,"esc",e,position);
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break;
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}
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}
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a.addEventListener("keydown", a.fpEvent);
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});
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}
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function openChildMenu(li){
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li.classList.add("open"); //Display the menu
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console.log(li);
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console.log(li.querySelector("ul").querySelector("a"));
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li.querySelector("ul").querySelector("a").focus(); //Focus on the first anchor
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}
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function closeChildMenu(li){
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li.classList.remove("open");
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li.querySelector("a").focus();
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}
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function unsetMobile(){
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console.log("unsetMobile");
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}
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function unsetDesktop(){
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console.log("unsetDesktop");
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}
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function setupMobile(){
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console.log("setupMobile");
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}
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function setupDesktop(){
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console.log("setupDesktop");
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var topLevel = nav.querySelectorAll("nav>ul>li>a");
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var secondLevel = nav.querySelectorAll("nav>ul .heading");
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var thirdLevel = nav.querySelectorAll("nav>ul ul ul a");
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setupKeyboardEventListeners(topLevel, "top");
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setupKeyboardEventListeners(secondLevel, "second");
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setupKeyboardEventListeners(thirdLevel, "third");
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}
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function doMenu(){
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//If mobile
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if (window.matchMedia("(min-width: 800px)").matches){// If desktop width
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if(menuState == "mobile"){ // If currently mobile
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unsetMobile();
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setupDesktop();
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menuState = "desktop";
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}
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if(menuState == "unset"){ // If currently unset
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setupDesktop();
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menuState = "desktop";
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}
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} else { //If mobile width
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if(menuState == "desktop"){ // If currently desktop
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//Switch to mobile
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unsetDesktop();
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setupMobile();
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menuState = "mobile";
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}
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if(menuState == "unset"){ // If currently unset
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setupMobile();
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menuState = "mobile";
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}
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}
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}
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window.addEventListener("load",function(){
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nav = document.querySelector("#menu-wrapper");
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doMenu();
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});
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window.addEventListener("resize",function(e){
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//If width has changed
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if (previousWidth != window.innerWidth){
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previousWidth = window.innerWidth;
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console.log("Changing width");
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doMenu();
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}
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});
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})();
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