String.match() and matchAll() — JS Technical Interview Questions & Answers
Extracting matches from a string using a regex.
String.match() and matchAll()
- String.match() and matchAll() (js regex) is a JS topic. In plain words you use it for a short String.match and matchAll js regex example in a script in the browser. Don’t start with a slogan — start with that picture.
- Smallest example: the smallest String.match and matchAll js regex example you can type. Type it, run it, and say what you see. If you can do that from memory, you know String.match() and matchAll() (js regex).
- From the example next to this theory: Extracting matches from a string using a regex.
- Trap: only saying “String.match and matchAll js regex” with no example. Fix that before you talk about advanced JS.
- Viva: what is String.match() and matchAll() (js regex)? Then show the smallest String.match and matchAll js regex example you can type. Then name the trap.
Technical Interview Tip: What is String.match() and matchAll() (js regex)? Show this: the smallest String.match and matchAll js regex example you can type. Trap: only saying “String.match and matchAll js regex” with no example.
Code Examples for String.match() and matchAll()
String.match() and matchAll() — working example
// Topic: String.match() and matchAll()
const nums = [1, 2, 3];
const doubled = nums.map((n) => n * 2);
console.log(doubled);
console.log(doubled.reduce((a, b) => a + b, 0));String.match() and matchAll(): map then reduce on [1, 2, 3]. Say both prints.
How to Explain String.match() and matchAll() to an Interviewer
What is String.match() and matchAll() (js regex)?
Used for a short String.match and matchAll js regex example a script in the browser Not just the heading
Give one small example of String.match() and matchAll() (js regex).
the smallest String.match and matchAll js regex example you can type Extracting matches from a string using a regex
What mistake do beginners make with String.match() and matchAll() (js regex)?
only saying “String.match and matchAll js regex” with no example Show the fix
Where do you use String.match() and matchAll() (js regex)?
a script in the browser a short String.match and matchAll js regex example