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JavaScript is the most popular programming language.
This language is used for HTML, for the web, for servers, PCs, laptops, tablets, phones, and more.
JavaScript is a Scripting Language
A scripting language is a lightweight programming language.
JavaScript is programming code that can be inserted into HTML pages.
JavaScript code can be executed by all modern web browsers.
JavaScript is easy to learn.
JavaScript: Writing Into HTML Output
<!DOCTYPE html>
<html>
<body>
<h1>My First JavaScript</h1>
<p>This is paragraph.</p>
</body>
</html>
My First JavaScript
This is paragraph.
JavaScript: Changing HTML Content
JavaScriptis commonly used to manipulate the content of HTML elements.
<p id="hello">
JavaScript can change the content of an HTML element.
</p>
<script>
function myFunction()
{
x=document.getElementById("hello");
x.innerHTML="Hello JavaScript!";
}
</script>
<button type="button" onclick="myFunction()">Click </button>
JavaScript can change the content of an HTML element.