Answers for "node js typeof array"

9

javascript check if is array

var colors=["red","green","blue"];

if(Array.isArray(colors)){
    //colors is an array
}
Posted by: Guest on July-22-2019
5

javascript typeof array

Array.isArray(arr)
Posted by: Guest on October-08-2020
3

js check if array

Array.isArray([1, 2, 3]);	// true
Array.isArray('asdf');		// false
Posted by: Guest on July-19-2020
0

typeof array javascript

//The method Array.isArray(A) checks if A is an array

Array.isArray([1, 2, 3]);  // true
Array.isArray('foobar');   // false for strings
Array.isArray({foo: 123}); // false for objects
Posted by: Guest on March-13-2020
0

javascript check if array is in array

var array = [1, 3],
    prizes = [[1, 3], [1, 4]],
    includes = prizes.some(a => array.every((v, i) => v === a[i]));

console.log(includes);
Posted by: Guest on June-29-2020

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