setTimeout(this.navigateToLogin.bind(this),3000);
Here is what the above code is Doing:
1. We are using the setTimeout() method to call the navigateToLogin() method after 3 seconds.
2. We are using the bind() method to bind the navigateToLogin() method to the current component.
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…
import React, { useState } from “react”; const productData = [ { id: 1, label: “product1”, description: “description1” }, { id: 2, label: “product2”, description: “description2” }, { id: 3, label: “product3”, description: “description3” }, { id: 4, label: “product4”, description: “description4” }, { id: 5, label: “product5”, description: “description5” }, { id: 6, label:…
let arr =[“a”,”b”,”c”]; // ES6 way const copy = […arr]; // older method const copy = Array.from(arr); Here is what the above code is Doing: 1. We have an array called arr. 2. We create a new array called copy. 3. We use the spread operator to copy the contents of arr into copy. 4….
//every user must have an email firebase.database().ref(`users/${userId}/email`).once(“value”, snapshot => { if (snapshot.exists()){ console.log(“exists!”); const email = snapshot.val(); } }); Here is what the above code is Doing: 1. We’re using the `once` method to get the value of the `email` property of the `users/${userId}` object. 2. We’re using the `exists` method to check if the…
Here is what the above code is Doing: 1. We’re creating a new variable called “html” and setting it equal to a string of HTML code. 2. We’re creating a new variable called “table_rows” and setting it equal to a list of strings. 3. We’re looping through the list of dictionaries called “results” and for…
setInterval(function(){ // stuff needs to be done }, 3000); Here is what the above code is Doing: 1. We’re creating a variable called myVar and assigning it to the setInterval() function. 2. The setInterval() function takes two parameters: a function and a number. 3. The function is the code that will run every time the…