How to set conditions on when to disable a button in UI builder
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10-05-2023 09:35 PM
Hello everyone,
Not familiar with the syntax in scripting in UI builder. What I want to do is I want the button to be disabled first if there is no text entered in the HTML field. I know that there is a toggle to disable a button but how can I set it to enabled if the field is not empty?
I appreciate any help. Thank you in advance.
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10-05-2023 09:53 PM
Hello @tidert_24 ,
Here's an example of how you can do it:
HTML:
First, make sure your HTML file includes the input field and the button. For example:
<input type="text" id="myInputField">
<button id="myButton" disabled>Submit</button>
Javascript:
Next, you'll need to add some JavaScript to handle the enabling/disabling logic. You can do this by adding a script section or linking to an external JavaScript file.
document.addEventListener('DOMContentLoaded', function() {
var inputField = document.getElementById('myInputField');
var myButton = document.getElementById('myButton');
inputField.addEventListener('input', function() {
if (inputField.value.trim() !== '') {
myButton.removeAttribute('disabled');
} else {
myButton.setAttribute('disabled', true);
}
});
});
In this script, we're first getting references to the input field and the button by their respective IDs. Then, we're adding an event listener to the input field that listens for changes (input events). When there's input, it checks if the input field's value is not empty. If it's not empty, it removes the disabled attribute from the button, enabling it. Otherwise, it sets the disabled attribute.
ServiceNow UI Builder (if applicable):
In the UI Builder, make sure that your button is properly linked to the JavaScript code. You might need to set up a click event that triggers the button action.
Remember to adjust the IDs (myInputField and myButton) to match your specific IDs. This script should be included in a place where it will be executed when the page loads, such as within a <script> tag at the end of your HTML file, or in an external JavaScript file linked in your HTML document
Mark helpful or correct if applicable.
Thanks & Regards,
Sayali Gurav
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10-05-2023 10:02 PM
I'm sorry @Sayali Gurav, but scripting in the UI builder has their own syntax.
As you can see here it gives an error
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10-05-2023 10:13 PM
If you're encountering an error related to document.addEventListener('DOMContentLoaded', function() {...}, it could be due to a few different reasons. Here are some things to check:
Check that you have an HTML document: Make sure that this JavaScript code is embedded in an HTML file, and that the HTML file is properly structured.
Ensure the IDs exist: Verify that you have elements in your HTML with the IDs myInputField and myButton. If these IDs do not exist, or if there are typos in the IDs, it will cause an error.
Verify JavaScript is enabled: Make sure that JavaScript is enabled in your browser. Some environments or security settings may disable JavaScript, which would prevent this code from running.
Check for other JavaScript errors: There might be other JavaScript code on your page that is causing conflicts or errors. Check the console for any other error messages.
If you provide more specific details about the error message you're seeing, I might be able to give you more targeted assistance.
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10-05-2023 10:21 PM
There is no error, but the button is still clickable even if the field is empty.
Scripting in UI builder has a different syntax. My question is how to disable the request approval button.