calculating the dynamic height of a document from top to bottom using Angular

Is there a way to dynamically calculate the height of each page from top to bottom in Angular? The syntax that works in JavaScript seems to give an error in Angular.

console.log( (document.height !== undefined) ? document.height : document.body.offsetHeight+'px');

I need to be able to accurately determine the height of the page, even when items are added dynamically. How can this be achieved?

Answer №1

Here's an alternative suggestion:

alert(window.innerHeight);

Answer №2

import { Component, ElementRef, Renderer2, OnInit } from '@angular/core';

@Component({
  selector: 'app-component',
  template: '<p *ngFor='let item of arr'>item {{item?.name}}</p>',
})
export class CustomComponent implements OnInit {
arr=[];
  constructor(private el: ElementRef, private renderer: Renderer2) {}

  ngOnInit() {
    this.adjustPageHeight();
    setTimeout(() => {
      this.addCustomElement();//simulate API call
      this.adjustPageHeight();
    }, 4000);
  }

  addCustomElement() {
    this.arr=[
.......
];
  }

  adjustPageHeight() {
    const documentHeight = Math.max(
      document.documentElement.clientHeight,
      window.innerHeight || 0
    );

    console.log('Updated Document Height: ' + documentHeight + 'px');
  }
}

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