title: Body scroll Disabling after menu is shown in angular js web app
body: <p>I am doing a web app in angular js.</p>
  
  <p>I am creating a menu in it with css and js. and it is as follows.</p>
  
  <p><a href="https://i.stack.imgur.com/W1agS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/W1agS.png" alt="enter image description here"></a></p>
  
  <p>The code for it is as follows</p>
  
  <p>index.html</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html lang="en" ng-app="starter"&gt;
  &lt;head&gt;
  &lt;!--Import Google Icon Font--&gt;
  &lt;link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"&gt;
  &lt;!--Import materialize.css--&gt;
  &lt;link type="text/css" rel="stylesheet" href="materialize/css/materialize.min.css" media="screen,projection" /&gt;
  &lt;link type="text/css" rel="stylesheet" href="bootstrap/css/bootstrap.css" /&gt;
  &lt;!--Import jQuery before materialize.js--&gt;
  &lt;script type="text/javascript" src="js/jquery-3.2.1.min.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="node_modules/angular/angular.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="node_modules/angular-ui-router/release/angular-ui-router.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="node_modules/angular-route/angular-route.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="node_modules/angular-animate/angular-animate.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="app.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="materialize/js/materialize.min.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="bootstrap/js/bootstrap.js"&gt;&lt;/script&gt;
  &lt;!--controllers --&gt;
  &lt;script type="text/javascript" src="controllers/collegeCtrl.js"&gt;&lt;/script&gt;
  &lt;!--Services --&gt;
  &lt;script type="text/javascript" src="services/collegeService.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="services/httprequestService.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="constant/constant.js"&gt;&lt;/script&gt;
  &lt;!--navbar--&gt;
  &lt;link rel="stylesheet" type="text/css" href="navbar/css/normalize.css" /&gt;
  &lt;link rel="stylesheet" type="text/css" href="navbar/css/demo.css" /&gt;
  &lt;link rel="stylesheet" type="text/css" href="navbar/css/component.css" /&gt;
  &lt;!-- csstransforms3d-shiv-cssclasses-prefixed-teststyles-testprop-testallprops-prefixes-domprefixes-load --&gt;
  &lt;script src="navbar/js/modernizr.custom.25376.js"&gt;&lt;/script&gt;
  &lt;!--navbar--&gt;
  &lt;link type="text/css" rel="stylesheet" href="css/style.css" /&gt;
  &lt;!--Let browser know website is optimized for mobile--&gt;
  &lt;meta name="viewport" content="width=device-width, initial-scale=1.0" /&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;div id="perspective" class="perspective effect-airbnb"&gt;
  &lt;div class="container indexhome"&gt;
    &lt;div class="wrapper"&gt;
      &lt;!-- wrapper needed for scroll --&gt;
      &lt;!-- Top Navigation --&gt;
      &lt;div class="main clearfix"&gt;
        &lt;p&gt;&lt;button id="showMenu"&gt;Show Menu&lt;/button&gt;&lt;/p&gt;
      &lt;/div&gt;
      &lt;!-- /main --&gt;
      &lt;div class="content"&gt;
        &lt;div ui-view ng-class="transition"&gt;
          default content
        &lt;/div&gt;
      &lt;/div&gt;
  
    &lt;/div&gt;
   &lt;!-- wrapper --&gt;
  &lt;/div&gt;
  &lt;!-- /container --&gt;
    &lt;nav style="background-color:transparent !important; -webkit-box-shadow: 0 0px 0px 0 rgba(0,0,0,0.0), 0 0px 0px 0 rgba(0,0,0,0.0), 0 0px 0px 0px rgba(0,0,0,0);
   box-shadow: 0 0px 0px 0 rgba(0,0,0,0), 0 0px 0px 0 rgba(0,0,0,0), 0 0px 0px 0px rgba(0,0,0,0);  " class="outer-nav left vertical"&gt;
      &lt;a href="#" class="icon-home"&gt;Home&lt;/a&gt;
      &lt;a href="#" class="icon-news"&gt;News&lt;/a&gt;
      &lt;a href="#" class="icon-image"&gt;Images&lt;/a&gt;
      &lt;a href="#" class="icon-upload"&gt;Uploads&lt;/a&gt;
      &lt;a href="#" class="icon-star"&gt;Favorites&lt;/a&gt;
      &lt;a href="#" class="icon-mail"&gt;Messages&lt;/a&gt;
      &lt;a href="#" class="icon-lock"&gt;Security&lt;/a&gt;
    &lt;/nav&gt;
   &lt;/div&gt;
   &lt;!-- /perspective --&gt;
   &lt;script src="navbar/js/classie.js"&gt;&lt;/script&gt;
   &lt;script src="navbar/js/menu.js"&gt;&lt;/script&gt;
   &lt;div class="fixed-action-btn horizontal click-to-toggle"&gt;
     &lt;a id="showMenu" class="btn-floating btn-large red"&gt;
       &lt;i class="material-icons"&gt;menu&lt;/i&gt;
     &lt;/a&gt;
   &lt;/div&gt;
   &lt;/body&gt;
   &lt;/html&gt;
  </code></pre>
  
  <p>menu.js file</p>
  
  <pre><code>     (function() {
  
          function scrollY() {
          return window.pageYOffset || docElem.scrollTop;
      }
  
      // from http://stackoverflow.com/a/11381730/989439
      function mobilecheck() {
          var check = false;
          (function(a)
      {
   if(/(android|ipad|playbook|silk|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true
  })(navigator.userAgent||navigator.vendor||window.opera);
  
      return check;
      }
  
      var docElem = window.document.documentElement,
          // support transitions
          support = Modernizr.csstransitions,
          // transition end event name
          transEndEventNames = {
              'WebkitTransition': 'webkitTransitionEnd',
              'MozTransition': 'transitionend',
              'OTransition': 'oTransitionEnd',
              'msTransition': 'MSTransitionEnd',
              'transition': 'transitionend'
          },
          transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' 
      ) ],
          docscroll = 0,
          // click event (if mobile use touchstart)
          clickevent = mobilecheck() ? 'touchstart' : 'click';
  
       function init() {
          var showMenu = document.getElementById( 'showMenu' ),
              perspectiveWrapper = document.getElementById( 'perspective' ),
              container = perspectiveWrapper.querySelector( '.container' ),
              contentWrapper = container.querySelector( '.wrapper' );
  
          showMenu.addEventListener( clickevent, function( ev ) {
              ev.stopPropagation();
              ev.preventDefault();
              docscroll = scrollY();
              // change top of contentWrapper
              contentWrapper.style.top = docscroll * -1 + 'px';
              // mac chrome issue:
              document.body.scrollTop = document.documentElement.scrollTop = docscroll;
              // add modalview class
              classie.add( perspectiveWrapper, 'modalview' );
              // animate..
              setTimeout( function() { classie.add( perspectiveWrapper, 'animate' 
      ); }, 25 );
          });
  
          container.addEventListener( clickevent, function( ev ) {
              if( classie.has( perspectiveWrapper, 'animate') ) {
                  var onEndTransFn = function( ev ) {
                      if( support &amp;&amp; ( ev.target.className !== 'container' || 
       ev.propertyName.indexOf( 'transform' ) == -1 ) ) return;
                      this.removeEventListener( transEndEventName, onEndTransFn );
                      classie.remove( perspectiveWrapper, 'modalview' );
                      // mac chrome issue:
                      document.body.scrollTop = document.documentElement.scrollTop = docscroll;
                      // change top of contentWrapper
                      contentWrapper.style.top = '0px';
                      document.body.style.overflow = 'scroll';
                  };
                  if( support ) {
                      perspectiveWrapper.addEventListener( transEndEventName, onEndTransFn );
                  }
                  else {
                      onEndTransFn.call();
                  }
                  classie.remove( perspectiveWrapper, 'animate' );
              }
          });
  
          perspectiveWrapper.addEventListener( clickevent, function( ev ) { return false; } );
       }
  
      init();
  
      })();
  </code></pre>
  
  <p>After opening the menu the body scroll bar is being disabled. I have been trying this from 2 days. I cant figure out what was going wrong. Please let me know where I was doing wrong.</p>
  
  <p>Sorry for not formatting the code. i have tried but I am not able to format it.
  Thanks in Advance.</p>