promise object

STABLE.
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 https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise.

Version history

Introduced 3.0

Parameters

Name Type Description
executor function

The executing function with two parameters:

  • resolve
  • reject

Example

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

Did this information help you?

Can you tell us why it did not help you and how we can improve it?

Thanks for helping us improve!