Clash Royale CLAN TAG#URR8PPP

How to clear element from all children in Angular (5+) Renderer2?

Angular Renderer2 is recommended to manipulate DOM programatically.

In my directive i take some el.nativeElement.innerText, transform this text and want to add it to my element:

el.nativeElement.innerText


const text = renderer.createText(`$el.innerText%`);
renderer.appendChild(el, text);


const text = renderer.createText(`$el.innerText%`);
renderer.appendChild(el, text);

The problem is with el - it already has the text, so it appends transformed text after it.

el

I checked Renderer2 docs and it seems I can use removeChild() without passing reference to child, so I can't use Renderer2 to clear component first?

removeChild()

In this case only way to achieve it is using innerText = '' before renderer methods, which makes it pointless.

innerText = ''

1 Answer
1

Maybe something like:

const childElements = this.el.nativeElement.children;
for (let child of childElements)
this.renderer.removeChild(this.el.nativeElement, child);



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