JSFiddle - React, Tailwind, and code Playground

by alexdickson

HTML

<img id="demo" />

JavaScript

var elementExists = function(element) {
    while (element) {
        if (element == document) {
            return true;
        }
        element = element.parentNode;
    }
    return false;
}


var image = document.getElementById("demo");
console.log(elementExists(image)); // true
image.parentNode.removeChild(image);
console.log(elementExists(image)); // false