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JavaScript Tutorial

Variables to closures, promises, the DOM and OOP — a complete JS reference.

Array.isArray()

Checks whether a value is an array.

Quick-reference summary — a full handcrafted walkthrough is coming soon for this topic.

Checks whether a value is an array.

Category: JS Array Methods Reference — part of the JavaScript Tutorial on GoCareerGo
Read the short summary above, then check the linked docs for full syntax/behaviour
Interview tip: be ready to explain "Array.isArray()" in one sentence, then back it up with a tiny example

// Array.isArray() — minimal example
console.log("Array.isArray()");

Tip

Quick recall: "Array.isArray()" — checks whether a value is an array.