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Asked On2017-05-16 19:19:55 by:Jhon

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In HTML, we can add JavaScript by using two ways
1.Internal
2.External
1.Internal:- Internally we can include JavaScript by using <script></script> tags.
2.External:-we can write our total JavaScript code in a file by saving it in .js extension. After saving we have to link by using src attribute in the tag by specifying the path to the file.

Answerd on:2019-05-23 Answerd By:nadeembabuofficial

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The HTML <script> Tag

The <script> tag is used to define a client-side script (JavaScript).

The <script> element either contains scripting statements, or it points to an external script file through the srcattribute.

Common uses for JavaScript are image manipulation, form validation, and dynamic changes of content.

To select an HTML element, JavaScript very often uses the document.getElementById() method.

This JavaScript example writes "Hello JavaScript!" into an HTML element with id="demo":

Example

<script>
document.getElementById("demo").innerHTML = "Hello JavaScript!";
</script>

Answerd on:2019-06-19 Answerd By:avi738

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Now a days only Javascript and associated frameworks are being used by most of the web developers, VBScript is not even supported by various major browsers.

You can keep Javascript code in a separate file and then include it whereever it's needed, or you can define functionality inside HTML document itself. Let's see both the cases one by one with suitable examples.

Example

Consider we define a small function using Javascript in script.js which has following code:

function Hello()
{
    alert("Hello, World");
}

Now let's make use of the above external Javascript file in our following HTML document:

<!DOCTYPE html>
<html>
<head>
<title>Javascript External Script</title>
<script src="/html/script.js" type="text/javascript"/></script>
</head>
<body>
<input type="button" onclick="Hello();" name="ok" value="Click Me"  />
</body>
</html>


Answerd on:2015-01-03 Answerd By:sachin

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