Answers for "how to determine of the variable is array or not javascript"

check if a variable is array in javascript

// inside if else check
if(Array.isArray(myVarToTest)) {
	// myVatToTest is an array
} else {
	// myVarToTest is not an array
}

check variable is array or not in javascript

// npm i is-js-array 
const { isJSArray } = require("is-js-array");
isJSArray([]); // true
isJSArray({}); // false