// Functions function buildQuiz(){ ... } function showResults(){ ... } // Variables const quizContainer = document.getElementById('quiz'); const resultsContainer = document.getElementById('results'); const submitButton = document.getElementById('submit'); const myQuestions = [ ... ];...
A closure is an essential concept that allows functions to retain access to variables from the outer scope even after the outer function has finished executing. In simpler terms, a closure is a function that has access to its scope, the scope of the outer function, and the global scope. Th...
Go under the hood of powerful techniques like: Higher Order Functions, Function Composition, Pure Functions, and Immutability of State. 4 hours, 54 minutes CC Watch Free Preview Get Full Access Editor's Note Get hands-on practice applying the functional programming techniques you’ve learned throug...
A well-structured program is one of the essential characteristics of good programming practice. It demands that the bigger tasks should be broken into multiple sub-components so that low coupling can be ensured. Hence, programs should be developed as a collection of modular blocks...
interaction make for easier maintenance. One listener at a container level can handle multiple different event operations. This is not an excuse for a monolithic function of titanic proportions. It is an easy way to manage related events that often perform related functions or need to share data...
6.1.6: JavaScript practice. The JavaScript code below initializes the variable tvShow to a popular TV show. Then, an if statement displays a message in the console if tvShow is null, otherwise the value of tvShow is displayed in the console. Ch...
✅ Do: The Traditional Coverage metric often lies: It may show you 100% code coverage, but none of your functions, even not one, return the right response. How come? it simply measures over which lines of code the test visited, but it doesn’t check if the tests actually tested anyth...
There are no Dumb Questions Q: Q: Since window is the global object, that means I can use its properties and all of its methods without specifying window first right? A: A: That’s right. And whether you prepend the window object’s properties and methods with window is up to you. ...
Understanding Functions and 'this' In The World of ES2017 — Bryan Hughes bind and this - Object Creation in JavaScript - FunFunFunction JS Function Methods call(), apply(), and bind() — Steve Griffith call, apply and bind method in JavaScript .[Javascript Interview Questions ( Call, Bind...
I wrote the JavaScript-Developer-I exam today successfully. I have been through the JavaScript-Developer-I exam dump. And almost all of the real exam questions are in the dump. Fabian Feb 14, 2025 You can expect to pass the JavaScript-Developer-I exam more than a passing score if you st...