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How to change the checkbox status in JavaScript?
Here .change () updates the textbox value with the checkbox status. I use .click () to confirm the action on uncheck. If the user selects cancel, the checkmark is restored but .change () fires before confirmation. This leaves things in an inconsistent state and the textbox says false when the checkbox is checked.
How to get the HTTP status code with jQuery?
The function is passed three arguments: The XMLHttpRequest object, a string describing the type of error that occurred and an optional exception object, if one occurred. Possible values for the second argument (besides null) are “timeout”, “error”, “notmodified” and “parsererror”.
What do you need to know about change in jQuery?
Description: Bind an event handler to the “change” JavaScript event, or trigger that event on an element. A function to execute each time the event is triggered. An object containing data that will be passed to the event handler. A function to execute each time the event is triggered.
Is there a change event in jQuery 1.4?
As of jQuery 1.4, the change event bubbles in Internet Explorer, behaving consistently with the event in other modern browsers. Note: Changing the value of an input element using JavaScript, using .val () for example, won’t fire the event.
When do I check the state of my checkboxes?
Get the book free! This quick tip describes how to have your browser remember the state of checkboxes once a page has been refreshed or a user navigates away from your site to come back at a later date.
How to persist all checkboxes in HTML5?
You can read more about local storage here: HTML5 Web Storage With respect to our code, it seems that as we want to persist all of the checkboxes, a logical choice would be to make key/value pairs consisting of the checkbox IDs and their corresponding checked state. We can save these in an object literal which we can add to local storage.
To round this off, let’s implement the Check All button, so that users can select or deselect everything in one go. When clicked, this button should check all of the checkboxes.