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Jul 8, 2025 · This chapter documents all the JavaScript language operators, expressions and keywords.

Comparison operators are used in logical statements to determine equality or difference between variables or values. Given that x = 5, the table below explains the comparison operators:

So !! is not an operator; it's just the ! operator twice. It is generally simpler to do: Real World Example "Test IE version": console.log(isIE8); // Returns true or false. If you ⇒. // Returns either an Array or …

Jul 30, 2025 · JavaScript Chaining Operator (?.) The optional chaining operator allows safe access to deeply nested properties without throwing errors if the property doesn’t exist.

From basic arithmetic to complex logical evaluations, operators enable you to add, subtract, compare, assign values, and more. Arithmetic operators in programming perform mathematical operations on …

Aug 14, 2023 · In this tutorial, you've learned the 7 types of JavaScript operators: Arithmetic, assignment, comparison, logical, ternary, typeof, and bitwise operators. These operators can be …

Operators in JavaScript are special symbols that let you perform operations on values or variables. You use them to calculate, compare, assign, or manipulate data in different ways within your program.

Jul 23, 2025 · These are the operators that are used to perform equality or difference comparisons between the values. It checks whether an element is greater, smaller equal, or unequal to the other …

Jul 8, 2025 · These operators join operands either formed by higher-precedence operators or one of the basic expressions. A complete and detailed list of operators and expressions is also available in the …