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This article is a detailed introduction to "how to use callbacks.locked()". The content is detailed, the steps are clear, and the details are properly handled. I hope this article "how to use callbacks.locked()" can help you solve your doubts. Let's go deeper and learn new knowledge together with the ideas of Xiaobian.

callbacks.locked()

Description: Determines if the callback list is locked.

Added version: 1.7callbacks.locked()

This method accepts no arguments.

Examples:

Use callbacks.disabled() to determine if the callback list is locked:

// a sample logging function to be added to a callbacks list

var foo = function( value ) {

console.log( "foo:" + value );

};

var callbacks = $.Callbacks();

// add the logging function to the callback list

callbacks.add( foo );

// fire the items on the list, passing an argument

callbacks.fire( "hello" );

// outputs "foo: hello"

// disable the callbacks list

callbacks.disable();

// test the disabled state of the list

console.log ( callbacks.disabled() );

// outputs: true

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