list of programming languages
JavaScript has one number type — a 64-bit floating-point value. There’s no separate integer type (except BigInt). Understanding how it behaves — including its limits and quirks — is essential for writing correct numeric code. Key point: All JavaScript numbers are IEEE 754 double-precision floating-point. This means integers up to 2^53 are exact, but floating-point…
These transform functions slant or distort elements along the X or Y axis, creating a parallelogram effect. They’re useful for dynamic banners, stylized cards, and geometric layouts. Overview of Functions Function Axis Effect Equivalent skew() X and/or Y Slants both axes skewX() + skewY() skewX() Horizontal Slants left/right skew(angle, 0) skewY() Vertical Slants up/down skew(0,…
BigInt is a numeric type for arbitrary-precision integers. Where regular JavaScript numbers lose precision past 2^53 – 1, BigInt keeps exact values no matter how large. It’s the tool for cryptography, large IDs, precise timestamps in nanoseconds, and anywhere exact integer math matters. Key point: BigInt and Number are different types. You can’t mix them…
The translate() and translate3d() functions move elements from their original position — horizontally, vertically, or in 3D space. Unlike position or margin, translation doesn’t affect the layout of other elements. Overview of Functions Function Dimensions Values Description translate() 2D x or x, y Moves along X and Y translate3d() 3D x, y, z Moves along…
A Symbol is a unique, immutable primitive value used as an object property key. Every Symbol is guaranteed to be different from every other Symbol — even if they have the same description. Symbols let you add properties to objects without any risk of collision, and they power many of JavaScript’s built-in protocols. Key point:…
CSS transitions let you smoothly animate changes to CSS properties over a specified duration. They add polish, interactivity, and visual appeal — turning abrupt state changes into fluid motion. What is a Transition? A transition defines how a CSS property changes from one state to another over time. Instead of instantly jumping from red to…
A generator is a function that can pause and resume. Where a regular function runs to completion, a generator produces a sequence of values, one at a time, on demand. The function* syntax and yield keyword make this possible. Key point: Generators return an iterator. You pull values out one at a time with .next(),…
These four longhand properties give you precise control over how transitions behave — which properties animate, how long they take, when they start, and how discrete changes are handled. Overview of Properties Property Description Default transition-property Which properties to animate all transition-duration How long the transition takes 0s transition-delay Wait before starting 0s transition-behavior How…
JavaScript is single-threaded — it runs one piece of code at a time. Yet it can handle clicks, timers, network requests, and animations without freezing. The event loop is how. It’s the mechanism that lets JavaScript juggle many tasks on a single thread. Key point: JavaScript has one call stack, one heap, and a task…
The animation property is one of the most powerful tools in CSS. It lets you create complex, multi-step animations — with full control over timing, repetition, direction, and more. What is an Animation? An animation in CSS is defined by two parts: Unlike transitions (which animate between two states), animations can have many stages and…
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