In this article we will show you the solution of add required attribute jQuery, here we needs to use attr(), click() and text() methods.
As we know attr() method used for sets any attributes value on any html elements so we can add required on input element and click() used for generate the process of coding then text() used for inserts text on any html element which is appends with this method.
Step By Step Guide On Add Required Attribute jQuery :-
Here we defined html block with input element for sets required on it, button for loads these process when it’s get triggered and h4 element for showing defined error on webpage.
In script block we defined ready() method which is automatically starts loading code of within this function when this program opened on browser and within that we waiting for click event occurrence which is appended with ‘button’ then we sets required attribute’s value as ‘true’ on input element by using id ‘inp’ and adding error message on h4 element for users clarifications.
<!DOCTYPE html>
<html>
<head>
<title>Add Required Attribute</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script>
$(document).ready(function (){
$('button').click(function(){
$('#inp').attr('required',true);
$('.notify').text("Required Added");
})
})
</script>
</head>
<body>
<input type="text" id="inp">
<button>Add Required</button>
<h4 class="notify"></h4>
</body>
</html>- <!DOCTYPE html> tag which is instruct the web browser about what version of HTML file written in and it’s not have any ending tag.
- The<html> tag is used to indicate the beginning of HTML document.
- As above shown <head> tag is contain information about webpage and external file links are declared here. <title> tag is used for set the webpage title.
- Here we imported open source jquery library support file which is needed for coding using jquery in program.
- Both <head> and <title> tags having their pair end tag, so we need to close the ending tags respectively. If you’re not closed anyone of ending tag properly that is also affect the webpage result.
- <body> tag is beginning of main coding part because it contain coding of entire website blocks and elements described here.
- In script we defined ready() method within that we appending click() method with button by using ‘button’ tag name for generate click event when user clicks on ‘Add Required’ button.
- Within function we sets ‘required’ attribute value to ‘true’ for adds required attribute on input element id ‘inp’ and also we inserting ‘Input Needed’ error message on h4 element by specifying class ‘notify’ with text() method.
- In html block we defined we defined input element with text type, id ‘inp’, button ‘Add Required’ and h4 element for appends message to notify users.
- Both </body>,</html> tags closed respectively. </body> tag indicates the end of body, Then </html> tag indicates the end of HTML document.
Conclusion :-
In conclusion now we are able to know how to add required attribute on input element using jquery.
Before execution of program we needs to confirm internet connection because then only that jquery file will supports defined jquery codes without error.
When we executes program on browser we can see input field and ‘Add Required’ button now user needs to click on ‘Add Required’ button before filling input fields then required attribute added on input we can see inserted required attribute on console panel’s Element tab and also we notified user by throwing error message.
I hope this article on add required attribute jQuery helps you and the steps and method mentioned above are easy to follow and implement.
