Introduction to JavaScript - GeeksforGeeks

JavaScript Logical Operators Logical operators in JavaScript are used to perform logical operations on values and return either true or false. These operators are commonly used in decision-making statements like if or while loops to control the flow of execution based on conditions.In JavaScript, there are basically three types ...

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The Modern JavaScript Tutorial

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more. ... Logical operators. Nullish coalescing operator '??' Loops: while and for. The "switch" statement. Functions. Function expressions. Arrow functions, the basics. JavaScript ...

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JavaScript syntax - Wikipedia

The binary logical operators returned a Boolean value in early versions of JavaScript, but now they return one of the operands instead. The left–operand is returned, if it can be evaluated as : false , in the case of conjunction : ( a && b ), or true , in the case of disjunction : ( a || b ); otherwise the right–operand is returned.

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JavaScript Date Objects - W3Schools

W3Schools offers a wide range of services and products for beginners and professionals, helping millions of people everyday to learn and master new skills. Free Tutorials. Enjoy our free tutorials like millions of other internet users since 1999 ... JavaScript will (by default) output dates using the toString() method. This is a string ...

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JavaScript Examples [51 Useful Examples] - Enjoy SharePoint

Example-44: JavaScript Conditional Operator. The conditional operator in JavaScript is a useful shortcut for simple if-else statements. It takes three operands: a condition, a value if true, and a value if false. Here’s a simple blood donation eligibility checker that uses the conditional operator:

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Associative arrays in Javascript? - Stack Overflow

Javascript is a prototype based dynamic language. You can create objects and change their structure when you want. var o = {name1: {place1: data1}, name2: {place2: data2}}; and access it with: o.name1

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Bitwise AND (&) in JavaScript: A 5-minute guide - Educative

The bitwise AND operator performs a logical AND on binary numbers, commonly used for tasks like checking even/odd and bit masking. JavaScript performs bitwise operations on 32-bit integers, converting them back to 64-bit after execution. In programming, both speed and efficiency matter. While most developers rely on arithmetic operations for ...

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JavaScript Tutorial - GeeksforGeeks

JavaScript Logical Operators Logical operators in JavaScript are used to perform logical operations on values and return either true or false. These operators are commonly used in decision-making statements like if or while loops to control the flow of execution based on conditions.In JavaScript, there are basically three types

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JavaScript Program to Check if a Number is Odd or Even

Here are the different approaches we can use in JavaScript to determine whether a number is odd or even: 1. Using the modulo Operator. In this method, we use the Modulo Operator (%) to check if a number is even or odd. The modulo operator gives the remainder when one number is divided by another. To check if a number is even or odd:

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JavaScript - Wikipedia

JavaScript (/ ˈ dʒ ɑː v ə s k r ɪ p t / ⓘ), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior. [10] Web browsers have a dedicated JavaScript engine that executes the client code.

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JavaScript syntax

The binary logical operators returned a Boolean value in early versions of JavaScript, but now they return one of the operands instead. The left–operand is returned, if it can be evaluated as : false , in the case of conjunction : ( a && b ), or true , in the case of disjunction : ( a || b ); otherwise the right–operand is returned.

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