javascrip check if array contains code example
Example 1: javascript array contains
var colors = ["red", "blue", "green"];
var hasRed = colors.includes("red"); //true
var hasYellow = colors.includes("yellow"); //false
Example 2: js test if array
if(Array.isArray(myVarToTest)) {
// myVatToTest is an array
} else {
// myVarToTest is not an array
}