jQuery noop() Method
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jQuery noop() Method
The jQuery noop()
method is an empty function.
Note: This method does not accept any arguments.
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head>
<body>
<h1>jQuery.noop() Method</h1>
<p>First call to myFunction with 'parameter' will run safely.</p>
<p>Second call to myFunction with 'noParameter' will throw error if $.noop (empty function) is not used.</p>
<button>Check Out</button>
<script>
$(document).ready(function(){
$("button").click(function(){
function myFunction(callback){
display = callback || $.noop;
display();
}
myFunction(sayHello);
myFunction();
function sayHello(){
console.log("Hello");
}
});
});
</script>
</body>
</html>
Syntax
$.noop();
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