event-binding

I want to execute an event on a knockout observable bound to an input . This function should be executed when the control lose focus, even without typing anything. I tried to change the event binding but it doesn't fire when the user moves away from the control without typing anything. I tried mouseout event, but that only fires when the user clicks elsewhere in the form, after losing focus - not exactly what I want. I want the even to fire as soon as the focus is moved away from the control, even with tab. Following is the code I used for mouseout event: <input type="text" id="txtFirstName"

I am following the M-V-VM pattern for my WPF UI. I would like to hook up a command to the TextChanged event of a TextBox to a command that is in my ViewModel class. The only way I can conceive of completing this task is to inherit from the TextBox control, and implement ICommandSource. I can then instruct the command to be fired from the TextChanged event. This seems to be too much work for something which appears to be so simple. Is there an easier way (than subclassing the TextBox and implementing ICommandSource) to hook up the TextChanged event to my ViewModel class? Samuel Jack First off,

How can I bind an event listener in rendered elements in Angular 2? I am using Dragula drag and drop library. It creates dynamic HTML but my event is not bound to dynamic HTML elements. Günter Zöchbauer import { AfterViewInit, Component, ElementRef} from '@angular/core'; constructor(private elementRef:ElementRef) {} ngAfterViewInit() { this.elementRef.nativeElement.querySelector('my-element') .addEventListener('click', this.onClick.bind(this)); } onClick(event) { console.log(event); } In order to add an EventListener to an element in angular 2+, we can use the method listen of the Renderer2