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Getting Started with JavaScript(ES5)

The Essential JS 2 for JavaScript (global script) is an ES5 formatted pure JavaScript framework which can be directly used in latest web browsers.

Component Initialization

The Essential JS 2 JavaScript components can be initialized by using either of the following ways.

  • Using local script and style references in a HTML page.
  • Using CDN link for script and style reference.

Using local script and style references in a HTML page

Step 1: Create an app folder myapp for Essential JS 2 JavaScript components.

Step 2: You can get the global scripts and styles from the Essential Studio JavaScript (Essential JS 2) build installed location.

Syntax:

Script: **(installed location)**/Syncfusion/Essential Studio/{RELEASE_VERSION}/Essential JS 2/{PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

Styles: **(installed location)**/Syncfusion/Essential Studio/{RELEASE_VERSION}/Essential JS 2/{PACKAGE_NAME}/styles/material.css

Example:

Script: C:/Program Files (x86)/Syncfusion/Essential Studio/15.4.30/Essential JS 2/ej2-navigations/dist/global/ej2-navigations.min.js

Styles: C:/Program Files (x86)/Syncfusion/Essential Studio/15.4.30/Essential JS 2/ej2-navigations/styles/material.css

Step 3: Create a folder myapp/resources and copy/paste the global scripts and styles from the above installed location to myapp/resources location.

Step 4: Create a HTML page (index.html) in myapp location and add the Essentials JS 2 script and style references.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <link href="resources/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 Accordion's global script -->
            <script src="resources/ej2-navigations.min.js" type="text/javascript"></script>
       </head>
       <body>
       </body>
  </html>

Step 5: Now, add the Accordion element and initiate the Essential JS 2 Accordion component in the index.html by using following code

Initialize the Accordion using JSON items collection

The Accordion can be rendered by defining an array of items.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <ink href="resources/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 Accordion's global script -->
            <script src="resources/ej2-navigations.min.js" type="text/javascript"></script>
       </head>
       <body>
            <!-- Add the HTML <div> element  -->
             <div id="element"></div>
            <script>
//Initialize Accordion component

    var accordion = new ej.navigations.Accordion({
    items: [
        { header: 'ASP.NET', expanded: 'true', content: 'Microsoft ASP.NET is a set of technologies in the Microsoft .NET Framework for building Web applications and XML Web services.' },
        { header: 'ASP.NET MVC', content: 'The Model-View-Controller (MVC) architectural pattern separates an application into three main components: the model, the view, and the controller.' },
        { header: 'JavaScript', content: 'JavaScript (JS) is an interpreted computer programming language. It was originally implemented as part of web browsers so that client-side scripts could interact with the user, control the browser, communicate asynchronously, and alter the document content that was displayed.' },
    ]
    });

//Render initialized Accordion component
    accordion.appendTo('#element');

            </script>
       </body>
  </html>

Step 6: Now, run the index.html in web browser, it will render the Essential JS 2 Accordion component.

Step 1: Create an app folder myapp for the Essential JS 2 JavaScript components.

Step 2: The Essential JS 2 component’s global scripts and styles are already hosted in the below CDN link formats.

Syntax:

Script: http://cdn.syncfusion.com/ej2/{PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

Styles: http://cdn.syncfusion.com/ej2/{PACKAGE_NAME}/styles/material.css

Example:

Script: http://cdn.syncfusion.com/ej2/ej2-navigations/dist/global/ej2-navigations.min.js

Styles: http://cdn.syncfusion.com/ej2/ej2-navigations/styles/material.css

Step 3: Create a HTML page (index.html) in myapp location and add the CDN link references. Now, add the Accordion element and initiate the Essential JS 2 Accordion component in the index.html by using following code.

Source
Preview
index.html
<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <link href="http://cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="http://cdn.syncfusion.com/ej2/ej2-navigations/styles/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 all script -->
            <script src="http://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
       </head>
       <body>
           <!-- Add the HTML <div> element  -->
             <div id="element"></div>
            <script>

    var accordion = new ej.navigations.Accordion({
    items: [
        { header: 'ASP.NET', expanded: 'true', content: 'Microsoft ASP.NET is a set of technologies in the Microsoft .NET Framework for building Web applications and XML Web services.' },
        { header: 'ASP.NET MVC', content: 'The Model-View-Controller (MVC) architectural pattern separates an application into three main components: the model, the view, and the controller.' },
        { header: 'JavaScript', content: 'JavaScript (JS) is an interpreted computer programming language. It was originally implemented as part of web browsers so that client-side scripts could interact with the user, control the browser, communicate asynchronously, and alter the document content that was displayed.' },
    ]
    });

//Render initialized Accordion component
    accordion.appendTo('#element');
</script>
</body>
</html>

Step 4: Now, run the index.html in web browser, it will render the Essential JS 2 Accordion component.

Initialize the Accordion using HTML elements

The Accordion component can be rendered based on the given HTML element using id as target property. You need to follow the below structure of HTML elements to render the Accordion.

  <div id='accordion_html_markup'>   --> Root Accordion Element
       <div>      --> Accordion Item Container
            <div>   --> Accordion Header Container
                <div> </div> --> Accordion Header
            </div>
            <div>  --> Accordion Panel Container
                <div> </div> --> Accordion Content
             </div>
        </div>
  </div>
Source
Preview
index.js
index.html
ej.base.enableRipple(true);

//Initialize Accordion component

    var accordion = new ej.navigations.Accordion({});

//Render initialized Accordion component
    accordion.appendTo('#accordion_html_markup');
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 Accordion</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Toolbar Controls">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <div id="accordion_html_markup">
            <div>
                <div>
                    <div> ASP.NET </div>
                </div>
                <div>
                    <div> Microsoft ASP.NET is a set of technologies in the Microsoft .NET Framework for building Web applications
                        and XML Web services </div>
                </div>
            </div>
            <div>
                <div>
                    <div> ASP.NET MVC </div>
                </div>
                <div>
                    <div> The Model-View-Controller (MVC) architectural pattern separates an application into three main components:
                        the model, the view, and the controller </div>
                </div>
            </div>
            <div>
                <div>
                    <div> JavaScript </div>
                </div>
                <div>
                    <div> JavaScript (JS) is an interpreted computer programming language.It was originally implemented as part
                        of web browsers so that client-side scripts could interact with the user, control the browser </div>
                </div>
            </div>
        </div>
        <br><br>
        <div id="result"></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>

You can add the custom class into Accordion component using cssClass property which is used to customize the Accordion component.

See Also