The 6 Most Common Operators in JavaScript

The 6 Most Common Operators in JavaScript: Assignment operators, Comparison operators, Arithmetic operators, Logical operators, String operators, Ternary (conditional) operator. In JavaScript, an operator is a way to compare or assign values, or perform operations. There are many different types of operators. There are binary operators, unary operators, and a ternary operator in JavaScript.

In JavaScript, an operator is a way to compare or assign values, or perform operations. There are many different types of operators.

There are binary operators, unary operators, and a ternary operator in JavaScript. “Binary” means that there are two values, or operands, involved, with one coming before the operator, and one coming after the operator. An example of a binary operator is 1 + 2. In this example, 1 and 2 are the operands, and + is the operator.

A “unary” operator means that there is only one operand. The operand is either before the operator, or after the operator. An example of a unary operator is x++ (don't worry if you're unfamiliar with this syntax, we'll talk about below).

The “ternary” operator in JavaScript involves three operands. It’s used as a shortened version of an if...else statement, and is therefore also known as a "conditional" operator. An example of a ternary operator is num >= 0 ? "Positive" : "Negative". In this example, the three operands are num >= 0, "Positive", and "Negative", and the operators that separate them are ? and :.

• Assignment operators
• Comparison operators
• Arithmetic operators
• Logical operators
• String operators
• Ternary (conditional) operator

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JavaScript values are allocated when things are created (objects, Strings, etc.) and freed automatically when they are no longer used. This process is called Garbage collection.