Answers for "nodejs check if array contains"

javascript array contains

var colors = ["red", "blue", "green"];
var hasRed = colors.includes("red"); //true
var hasYellow = colors.includes("yellow"); //false

Posted by: Guest on October-19-2019

js test if array

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

Posted by: Guest on September-02-2020

see if array contains array javascript

const found = arr1.some(r=> arr2.indexOf(r) >= 0)

Posted by: Guest on April-30-2020

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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