Dynamically Set Value Of A File Input jQuery
Last Updated : Mar 11, 2024
IN - jQuery | Written & Updated By - Dikshita
In this article we will show you the solution of dynamically set value of a file input jquery, by using the file input element's selector to target the element and the.val() method to set the input's value, jQuery users can dynamically change the value of the file input.
A new element with the required value must be used in behalf of the old one.
To accomplish this, we can construct a fresh file input element, specify its value, and then swap it out for the old one. Now we'll talk about the idea of a file input jquery value that is dynamically set.
Step By Step Guide On Dynamically Set Value Of A File Input Jquery :-
<!DOCTYPE html>
<html>
<head>
<title>Dynamically Set Value of File Input</title>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
$(document).ready(function() {
// Get the file input element
var fileInput = $('#file-input');
// Create a new file input element
var newFileInput = $('<input type="file">');
// Set the value of the new file input element
newFileInput.val('path/to/file.jpg');
// Replace the original file input element with the new one
fileInput.replaceWith(newFileInput);
});
</script>
</head>
<body>
<form>
<input type="file" id="file-input" name="file">
</form>
</body>
</html>
- Here, you can see that we wrote the code using a file input from jQuery that was dynamically set.
- The <!DOCTYPE html> statement at the beginning of our code indicates that the document is an HTML5 document.
- In the HTML code, there is a form element containing a file input field that has the name attribute "file" and the id attribute "file-input."
- The title element in the head section that reads "Dynamically Set Value of File Input" is next.
- Additionally, the script tag in the head section includes a link to a CDN that downloads the jQuery library (https://code.jquery.com/jquery-3.6.0.min.js).
- After that, before the code is executed inside the script tag, it waits for the document to be ready ($(document).ready).
- The file-input element is then retrieved and assigned to the fileInput variable using jQuery's $ function.
- The $ function of jQuery is then used to generate a new input element of type file, which is then assigned to the newFileInput variable.
- The val() function is then used to set the value of the new file input element to "path/to/file.jpg."
- The replaceWith() function is then used to swap out the old file input element (fileInput) for the new file input element (newFileInput).
- When the code is executed, a new file input field is created and its value is set to "path/to/file.jpg." instead of the original file input field.
Conclusion :-
As a result, we have successfully acquired the knowledge of dynamically setting a file input's value in jQuery.
Additionally, we learned how to use jQuery to dynamically change a file input field's value on a web page.
A new file input element must be created, its value must be set to the required file path, and the old file input element must be replaced.
When you wish to update the file selection without forcing the user to re-select it, this can be helpful.
The val() and replaceWith() capabilities of jQuery make it simple to include this procedure into a web application.
I hope this article on dynamically set value of a file input jquery helps you and the steps and method mentioned above are easy to follow and implement.
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