A markup language that provides what a website needs to function An algorithm that provides the results for dating websites Create your account to access this entire worksheet A Premium account gives you access to all lesson, practice exams, quizzes & worksheets ...
As the term suggests, a named function is simply a function in JS that has been given a name. This name is given with the use of syntax. The function keyword in JavaScript is used to assign a name to the function or make it a named function. This concept should be in the list of ...
We’ll need to loop through each question like this: myQuestions.forEach( (currentQuestion, questionNumber) => { // the code we want to run for each question goes here }); For brevity, we’re using an arrow function to perform our operations on each question. Because this is in a ...
There's something tricky going on with scope in this JavaScript. Can you guess what will get logged to the console?
26 Curry Function – Question 27 Curry Function – Solution Counter Function 28 Counter Function – Question 29 Counter Function – Solution Logging X and Y 30 Logging X and Y – Question 31 Logging X and Y – Solution ‘call’ and ‘apply’ Methods ...
commonQuestion:'What now?', moo:function(){ console.log('moo); }, feet:4, accordingToLarson:'will take over the world' }; //重复了很多次数组名 var aweSomeBands = new Array(); aweSomeBands[0] = 'Bad Religion'; aweSomeBands[1] = 'Dropkick Murphys'; ...
So you better practice them before your next interview! 1. Accidental global variable Question To what evaluates typeof a and typeof b in the following snippet: function foo() { let a = b = 0; a++; return a; } foo(); typeof a; // => ??? typeof b; // => ??? Answer ...
Question 5: Can you fix the code? Here, recruiters present you with JavaScript code with one or more errors that you need to find and fix. Often these are follow-up questions to “What will be the output of this code?”. So let’s revisit Question 1, where we had to predict this ...
Before using test doubles, ask a very simple question: Do I use it to test functionality that appears, or could appear, in the requirements document? If not, it’s a white-box testing smell. For example, if you want to test that your app behaves reasonably when the payment service is ...
$(document).ready(function() { $('#PageAttachmentsDiv).hide(); // Additional HTML DOM-related code }); One truly nice feature is that hooking the ready event does not overwrite it, but instead adds the function to a stack of registered ready functions. So, unrelated pieces of code ca...