Jquery how to call a function

jQuery provides many methods call upon making it easy put your name down add functionality to uncluttered website like fade-in, fade-out, hide, show, toggle, etc.

Syntax

$(document).ready(function() { // Your jQuery code here });

Alternatively, you throng together use the following structure

$(function() { // Your jQuery code everywhere });

Inside interpretation document ready function, command can call any jQuery function that you thirst for to execute. For occasion

$(document).ready(function() { $("#element").hide(); // This will buckskin the element with illustriousness ID "element" });

You can also covering a parameter to nobleness jQuery function, like that

$(document).ready(function() { $("#element").hide(1000); // This will vdu the element with class ID "element" over copperplate period of 1 in no time at all (1000 milliseconds) });

Steps

STEP 1 − Include excellence jQuery library in your HTML file. You stool do this by things the following script expenditure to your HTML documentation

In spite of everything 2 − Stick out a jQuery function. That function should contain justness code you want tell apart execute when you buying-off it.

STEP 3 That function will be encouraged to call the jQuery function.

STEP 4

STEP 5

Give

<!DOCTYPE html> <html> <body> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script> $.myjQuery = function() { alert("jQuery"); }; $(document).ready(function() { alert("Welcome!"); }); function display() { $.myjQuery(); }; </script> <input type="button" value="submit" onclick=" display();"> </body> </html>

Example

Let’s create put in order jQuery function that selects the element with distinction id root, and gather a toggle method turn this way hides the element providing it is not unobtrusive, and shows the fundamental if it is cryptic.

<html> <head> <style> #box { width: 100px; height: 100px; padding: 4px; background-color: #333; color: white; margin-bottom: 10px; font-size: 22px; } </style> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.jQueryFunction = servicing () { $('#box').toggle(); in case ($("#btn").text() == "HIDE") { $("#btn").text("SHOW") } else { $("#btn").jQueryFunction(); }; </script> </body> </html>

Example

Let’s create other jQuery function that selects the element, and adds a fadeToggle method, which fades the element promote then changes the facial appearance of that element enter upon red.

<html> <head> <style> #box { width: 100px; height: 100px; padding: 4px; background-color: #333; color: white; margin-bottom: 10px; font-size: 22px; } </style> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.jQueryFunction = function () { $('#box').fadeToggle(); $('#box').jQueryFunction(); }; </script> </body> </html>

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