promise object

This API is reliable and breaking changes are unlikely.

qlik.promise(executor(resolve, reject))

Promise utility that can be used for asynchronous operations. Very useful for the paint method to indicate when the rendering is completed.

Full documentation can be found on

Version history

Introduced 3.0


Name Type Description
executor function

The executing function with two parameters:

  • resolve
  • reject


var Promise = qlik.Promise;
  paint:function($element,layout) {
    return new Promise(function(resolve, reject) {
      setTimeout(function() {
        resolve(); // Extension painted successfully
      }, 1000);

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