promise object
Information noteSTABLE.
This API is reliable and breaking changes are unlikely.
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
Version state | Details |
---|---|
Introduced | 3.0 |
Parameters
executor
Type: 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);
});
}
});