JavaScript : void operator
Description
The void operator is used to evaluate a JavaScript expression without returning a value.
Syntax
void (expression)
void expression
Example -1 :
The following web document shows how the void operator is used.
HTML Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset=utf-8>
<title>JavaScript void operator example</title>
</head>
<body>
<a href="javascript:void(alert('Thank you.'))">Click here to see a message</a>
</body>
</html>
View the example in the browser
Example -2 :
In the following web document void operator is used to call a function.
HTML Code
<!DOCTYPE html> <html lang="en"> <head> <meta charset=utf-8> <title>JavaScript void operator (calling function) example</title> </head> <body> <script type="text/javascript"> </script> <a href="javascript:void(testfunc())"> Click here to call testfunc()</a> </body> </html>
View JavaScript void operator ( call a function) example in the browser
See also
Conditional Operator
comma
delete
function
in
instanceof
new
this
typeof
