Frontend Fundamentals
Everything on SkillVeris tagged Frontend Fundamentals — collected across the glossary, study notes, blog, and cheat sheets.
5 resources across 1 library
Interview Questions(5)
What Is Strict Mode in JavaScript?
Strict mode is an opt-in restricted variant of JavaScript, enabled with the literal string “use strict”, that turns silent mistakes into thrown errors, disable…
What Is Type Coercion in JavaScript?
Type coercion is JavaScript automatically converting a value from one type to another — string, number, or boolean — when an operator or context expects a diff…
What Is NaN and How Do You Check for It?
NaN ("Not a Number") is a special numeric value JavaScript returns when a math operation cannot produce a meaningful number, and by spec it is the only value t…
What Is the CSS Box Model?
The CSS box model describes every rendered element as a set of nested rectangular layers — content, padding, border, and margin — and how those layers combine…
CSS Flexbox vs Grid: What Is the Difference?
Flexbox is a one-dimensional layout system for arranging items along a single row or column with flexible sizing, while CSS Grid is a two-dimensional system th…