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Enable or disable context menu items in JavaScript (ES5) ContextMenu control

08 May 2023 / 1 minute to read

You can enable and disable the menu items using the enableItems method in ContextMenu. To enable menuItems, set the enable property in argument to true and vice-versa.

In the following example, the Display Settings in parent items and Medium icons in sub menu items are disabled.

Source
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index.js
index.html
styles.css
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ej.base.enableRipple(true);

//ContextMenu items definition 
var menuItems = [
    {
        text: 'View',
        items: [
          {
            text: 'Large icons'
          }, 
          {
            text: 'Medium icons'
          },
          {
            text: 'Small icons'
          }
        ]
    },
    {
        text: 'Sort By'
    },
    {
        text: 'Refresh'
    },
    {
        separator: true
    },
    {
        text: 'New'
    },
    {
        separator: true
    },
    {
        text: 'Display Settings'
    },
    {
        text: 'Personalize'
    }];

//ContextMenu model definition 
var menuOptions = {
    target: '#target',
    items: menuItems,
    beforeOpen: function(args) {
      menuObj.enableItems(['Medium icons'], false);
    }
};

var menuObj = new ej.navigations.ContextMenu(menuOptions, '#contextmenu');

menuObj.enableItems(['Display Settings'], false);
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<!DOCTYPE html><html lang="en"><head>
            
    <title>Essential JS 2</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <meta name="description" content="Essential JS 2">
    <meta name="author" content="Syncfusion">
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-navigations/styles/material.css" rel="stylesheet">

    <!--style reference from app-->
    <link href="styles.css" rel="stylesheet">

    <!--system js reference and configuration-->
    
    
<script src="https://cdn.syncfusion.com/ej2/21.2.3/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <!--target element-->
        <div id="target">Right click / Touch hold to open the ContextMenu</div>
        <!--element which is going to render-->
        <ul id="contextmenu"></ul>
    </div>



<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>
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.shortcut {
    float: right;
    font-size: 10px;
    opacity: 0.5;
    padding-left: 50px;
}

#loader {
  color: #008cff;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

#container {
  visibility: hidden;
}

#target {
  border: 1px dashed;
  height: 150px;
  padding: 10px;
  position: relative;
  text-align: justify;
  color: gray;
  user-select: none;
}

To disable sub menu items, use the beforeOpen event.

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