import { Component, ViewChild } from '@angular/core'; import { jqxDateTimeInputComponent } from 'jqwidgets-scripts/jqwidgets-ts/angular_jqxdatetimeinput'; @Component({ selector: 'app-root', templateUrl: './app.component.html' }) export class AppComponent { @ViewChild('myDateTimeInput') myDateTimeInput: jqxDateTimeInputComponent; count: number = 0; leftBtn(): void { this.myDateTimeInput.dropDownHorizontalAlignment('left'); } // unnecessary overwrite in beggining rightBtn(): void { if (this.count !== 0) this.myDateTimeInput.dropDownHorizontalAlignment('right'); this.count = 1; } }