Events in EJ2 JavaScript Timeline control

6 Mar 20256 minutes to read

This section describes the Timeline events that will be triggered when an appropriate actions are performed. The following events are available in the Timeline control.

Created

The Timeline control triggers the created event when the control rendering is completed.

var productLifecycle = [
  { content: 'Planning' },
  { content: 'Developing' },
  { content: 'Testing' },
  { content: 'Launch' },
];

// Initializes the Timeline control
var timeline = new ej.layouts.Timeline({
  items: productLifecycle,
  created: function () {
    //your required action here 
  }
});

// Render initialized Timeline.
timeline.appendTo("#timeline");
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Essential JS 2 - Timeline</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="https://cdn.syncfusion.com/ej2/32.1.19/ej2-base/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/32.1.19/ej2-layouts/styles/material.css" rel="stylesheet">

    <!--style reference from app-->
    <link href="styles.css" rel="stylesheet">
    <script src="https://cdn.syncfusion.com/ej2/32.1.19/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

<body>

    <div id="container" style="height: 300px;">
        <!--Element to render the Timeline control-->
        <div id="timeline"></div>
    </div>

    <script>
        var ele = document.getElementById('container');
        if (ele) {
            ele.style.visibility = "visible";
        }   
    </script>
    <script src="index.js" type="text/javascript"></script>
</body>

</html>
#container {
    visibility: hidden;
    margin-top: 30px;
    padding: 30px;
}

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

BeforeItemRender

The Timeline control triggers the beforeItemRender event before rendering each item.

var productLifecycle = [
  { content: 'Planning' },
  { content: 'Developing' },
  { content: 'Testing' },
  { content: 'Launch' },
];

// Initializes the Timeline control
var timeline = new ej.layouts.Timeline({
  items: productLifecycle,
  beforeItemRender: function (args) {
    //your required action here 
  }
});

// Render initialized Timeline.
timeline.appendTo("#timeline");
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Essential JS 2 - Timeline</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="https://cdn.syncfusion.com/ej2/32.1.19/ej2-base/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/32.1.19/ej2-layouts/styles/material.css" rel="stylesheet">

    <!--style reference from app-->
    <link href="styles.css" rel="stylesheet">
    <script src="https://cdn.syncfusion.com/ej2/32.1.19/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

<body>

    <div id="container" style="height: 300px;">
        <!--Element to render the Timeline control-->
        <div id="timeline"></div>
    </div>

    <script>
        var ele = document.getElementById('container');
        if (ele) {
            ele.style.visibility = "visible";
        }   
    </script>
    <script src="index.js" type="text/javascript"></script>
</body>

</html>
#container {
    visibility: hidden;
    margin-top: 30px;
    padding: 30px;
}

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