JQuery | noop() method
This noop() Method in jQuery is the empty function when user wishes to pass around a function that will do nothing.
Syntax:
jQuery.noop()
Parameters: The noop() method does not accept any parameter.
Return Value: It returns the undefined.
Example 1: In this example, the noop() Method is used with innerHTML function.
<!DOCTYPE html> < html > < head > < meta charset = "utf-8" > < title >JQuery | noop() method</ title > < script src = "https://code.jquery.com/jquery-3.4.1.js" ></ script > </ head > < body style = "text-align:center;" > < h1 style = "color: green" > w3wiki </ h1 > < h3 >JQuery | noop() method</ h3 > < button onclick = "geek()" >Try it</ button > < br >< br > < b > Value Return :</ b > < br > < p id = "demo" ></ p > < script > function geek() { var n = jQuery.noop(); document.getElementById("demo").innerHTML = n; } </ script > </ body > </ html > |
Output:
Before Click:
After Click:
Example 2: In this example, the noop() Method is used with alertfunction.
<!DOCTYPE html> < html > < head > < meta charset = "utf-8" > < title >JQuery | noop() method</ title > < script src = "https://code.jquery.com/jquery-3.4.1.js" ></ script > </ head > < body style = "text-align:center;" > < h1 style = "color: green" > w3wiki </ h1 > < h3 >JQuery | noop() method</ h3 > < button onclick = "geek()" >Try it</ button > < script > function geek() { var n = jQuery.noop(); alert("Value Return : " + n); } </ script > </ body > </ html > |
Output:
Before Click:
After Click: