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Add or remove context menu items in JavaScript ContextMenu control

ContextMenu items can be added or removed using the insertAfter, insertBefore and removeItems methods.

In the following example, the Display Settings menu items are added before the Personalize item, the Sort By menu items are added after the Refresh, and the Paste item is removed from context menu.

Source
Preview
app.ts
index.html
styles.css
import { ContextMenu, MenuItemModel, ContextMenuModel } from '@syncfusion/ej2-navigations';
import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);

//ContextMenu items definition
let menuItems: MenuItemModel[] = [
    {
        text: 'View',
        items: [
          {
            text: 'Large icons'
          },
          {
            text: 'Medium icons'
          },
          {
            text: 'Small icons'
          }
        ]
    },
    {
        text: 'Refresh'
    },
    {
        text: 'Paste'
    },
    {
        separator: true
    },
    {
        text: 'New'
    },
    {
        separator: true
    },
    {
        text: 'Personalize'
    }];

//ContextMenu model definition
let menuOptions: ContextMenuModel = {
    target: '#target',
    items: menuItems
};

let menuObj: ContextMenu = new ContextMenu(menuOptions, '#contextmenu');

menuObj.insertAfter([{text: 'Sort By'}] , 'Refresh');
menuObj.insertBefore([{text: 'Display Settings'}] , 'Personalize');
menuObj.removeItems(['Paste']);
<!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/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/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://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>LOADING....</div>
    <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>
</body>

</html>
.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;
}