Answers for "check if array has"

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

typescript check if element in array

your_array.includes(the_element)

Posted by: Guest on March-25-2020

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

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