const numbers = [1, 2, 3, 4, 5]; const listItems = numbers.map((number) =>
Here is what the above code is Doing:
1. We pass an array of numbers to the map() function.
2. The map() function loops through each number in the array.
3. For each iteration, the map() function will return a
import { Component, Input, OnChanges } from “@angular/core”; @Component({ selector: “child-component”, templateUrl: “./child-component.html” }) export class MyComponent implements OnChanges { @Input() someInput: string; constructor() {} ngOnChanges() { /**********THIS FUNCTION WILL TRIGGER WHEN PARENT COMPONENT UPDATES ‘someInput’**************/ //Write your code here console.log(this.someInput); } } Here is what the above code is Doing: 1. The child component…
//change image src with jquery $(“#myImageID”).attr(“src”,”images/my_other_image.png”); //change image src plain javascript document.getElementById(‘myImageID’).src=”images/my_other_image.png”; Here is what the above code is Doing: 1. We’re using the jQuery selector to select the image with the id of myImageID. 2. We’re using the jQuery attr() method to change the src attribute of the image. 3. We’re using the plain…
// canvas context.fillRect(x, y, height, width); ctx.fillRect(20, 20, 150, 100); Here is what the above code is Doing: 1. We create a canvas element and store it in a variable called canvas. 2. We get the canvas context and store it in a variable called ctx. 3. We use the fillRect() method to draw a…
JSONArray array = new JSONArray(); // Create a new JSONObject for every Aufgabe from ArrayList for(Aufgabe a : aufgaben) { JSONObject o = new JSONObject(); o.put(“id”, a.getId()); o.put(“aufgabe”, a.getAufgabe()); o.put(“beschreibung”, a.getBeschreibung()); o.put(“zeit”, a.getZeit()); array.put(o); } Here is what the above code is Doing: 1. Create a new JSONArray 2. Create a new JSONObject for every…
if (element.hasChildNodes()) { // It has at least one } Here is what the above code is Doing: 1. We’re using the getElementsByTagName() method to get all the elements in the document. 2. We’re using the length property to find out how many elements there are. 3. We’re using a for loop to loop through…
const Discord = require(‘discord.js’) const CLIENT = new Discord.Client({ intents: new Discord.Intents(32767) }) Here is what the above code is Doing: 1. We’re importing the Discord.js library. 2. We’re creating a new Discord client. 3. We’re setting the intents to all intents.