How to open select programmatically

Question

Does anyone know if it is possible to open a select programmatically in angularjs. Ive tried

angular.element(el).trigger(\'focus\');
angular.element(el).trig         


        

Answer 1

try this

function openSelect(selectId) {
    var event = new MouseEvent('mousedown', {
        'view': window,
        'bubbles': true,
        'cancelable': true
    });
    var cb = document.getElementById(selectId);
    cb.size=4;
    cb.dispatchEvent(event);
}
openSelect("testId");

or read more here Triggering built-in events