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How to define a function in JavaScript
Topic: JavaScript / jQueryPrev|Next
Answer: Use the syntax function myFunction(){}
In JavaScript functions are defined with the function keyword, followed by the name of the function, a pair of parentheses (opening and closing), and a code block.
Let's take a look at the following example to understand how to define a function in JS.
Example
Try this code »<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Define a Function in JavaScript</title>
</head>
<body>
<script>
function myFunction(){
alert("You have successfully defined the function!");
}
</script>
<button type="button" onclick="myFunction();">Click Me</button>
</body>
</html>Related FAQ
Here are some more FAQ related to this topic:
- How to define a function in jQuery
- How to call a function after waiting for some time in jQuery
- How to call a function repeatedly after fixed time interval in jQuery
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