9. Implement a function to remove duplicates from an array.When interviewers present the candidate with this question, they can gauge the level of understanding a candidate has regarding array methods and different approaches to solve the problem.The...
Alert the string “foobar” after a 10 second delay. Implement Array.prototype.filter for IE. Create a Person class with public/private/privileged members and methods. Why does the statement 5 * 1.015 not return 5.075? Replace the string"The quick brown fox jumps over the lazy dog"with the...
Now our array scripts have 4 elements inside it and we can print or access them by using their index number. Note that index number starts from 0. To get the third element of the array we have to use the index number 2. Here is the way to get the third element of an array. ...
Like Python, JavaScript honors negative subscripts in calls to array methods like slice() as a way of referencing elements at the end of the array; e.g., a subscript of -1 indicates the last element in the array, and so on.14. What will the code below output to the console and why...
There are two ways to do this, depending on whether you want to remove an element from the beginning or the end of the array. Pop removes an element from the end and shift removes an element from the beginning. Both methods return the element that they removed: ...
function processValue(value) { // Handle special cases first if (value === null) return "null"; if (value === undefined) return "undefined"; // Check for arrays (remember: typeof [] === "object") if (Array.isArray(value)) { return "array with " + value.length + " items"; ...
42.___ class provides an interface for invoking JavaScript methods and examining JavaScript properties. A.ScriptObject B.JSObject C.JavaObject D.Jobject 43.___ is a wrapped Java array, accessed from within JavaScript code. A.JavaArray B....
"Seven common methods of js array deduplication" The filter() method creates a new array with elements in the new array by checking all elements in the specified array that meet the conditions. item is the value of the current element, and index is the index value of the current element....
Jul 16, 2020 💻 Issue 217 - Array Methods Cheatsheet Jul 09, 2020 💻 Issue 216 - Understand JavaScript’s Generators in 3 minutes Jul 02, 2020 💻 Issue 215 - Angular 10 officially released and drops support for IE 9, 10 & Mobile Jun 25, 2020 💻 Issue 214 - Safari now supports...
23.What are the mutable and immutable array's methods? 24.What does array-like mean? 25.What is the difference between for...of and for...in loop? 26.What are asynchronous operations? 27.What are async and await? 28.What is JSON and what are its common operations?