jQuery blur() method

The blur() method in jQuery is an event handler that allows you to attach a function to be executed when an element loses focus. It is triggered when the user moves the focus away from an element after interacting with it, such as clicking outside of an input field or tabbing to a different element.

The syntax for using the blur() method is as follows:

$(selector).blur(function(event) {
  // Function body
});

• selector: It is a string that specifies the elements to be selected.
• function(event): The callback function that will be executed when the blur event occurs. It takes one argument:
• event: The event object containing information about the blur event. It provides details about the event, such as the target element and other related information.

Here’s an example of how you can use the blur() method:

HTML:

<input type="text" id="myInput">

JavaScript:

// Attach a blur event handler to the input element
$('#myInput').blur(function(event) {
  console.log('Input lost focus!');
});

In the above example, when you click inside the input field with the ID “myInput” and then click outside of the field, the blur() event handler will be triggered, and it will log “Input lost focus!” to the console.

The blur() event is commonly used for handling user input validation or updating data when the user moves away from an input field. For example, you can use it to validate the input data when the user leaves an input field or to update the server with the new input value.

Keep in mind that the blur() event is the opposite of the focus() event, which is triggered when an element gains focus. You can use both events together to create interactive and responsive user interfaces.