How do you check if a variable is an array in JavaScript?
a) Array.isArray(variable)
b) variable.isArray()
c) typeof variable === “array”
d) variable instanceof Array
Answer:
a) Array.isArray(variable)
Explanation:
The method Array.isArray() is used to determine whether a variable is an array. It returns true if the variable is an array, and false otherwise.
Example:
let fruits = ["Apple", "Banana"];
console.log(Array.isArray(fruits)); // Output: true