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var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...
[64] In JavaScript, an object is an associative array, augmented with a prototype (see below); each key provides the name for an object property, and there are two syntactical ways to specify such a name: dot notation (obj.x = 10) and bracket notation (obj['x'] = 10). A property may be added, rebound, or deleted at run-time.
Win64 is the version in the 64-bit platforms of the Windows architecture (as of 2021, x86-64 and AArch64). [ b ] [ 25 ] [ 26 ] Both 32-bit and 64-bit versions of an application can be compiled from one codebase , although some older API functions have been deprecated, and some of the API functions that were deprecated in Win32 were removed.
A JavaScript engine is a software component that executes JavaScript code. The first JavaScript engines were mere interpreters, but all relevant modern engines use just-in-time compilation for improved performance. [1] JavaScript engines are typically developed by web browser vendors, and every major browser has one
Component Object Model (COM) is a binary-interface technology for software components from Microsoft that enables using objects in a language-neutral way between different programming languages, programming contexts, processes and machines.
In software development, an object is an entity that has state, behavior, and identity. [ 1 ] : 78 An object can model some part of reality or can be an invention of the design process whose collaborations with other such objects serve as the mechanisms that provide some higher-level behavior.
Learn how to enable JavaScript in your browser to access additional AOL features and content.
First edition based on JavaScript 1.1 as implemented in Netscape Navigator 3.0. [1] Guy L. Steele Jr. 2 June 1998 Editorial changes to keep the specification fully aligned with ISO/IEC 16262:1998. Mike Cowlishaw: 3 December 1999 Based on JavaScript 1.2 as implemented in Netscape Navigator 4.0. [2]