javascxript check if string in array 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: check if array does not contain string js
function checkInput(input, words) {
return words.some(word => new RegExp(word, "i").test(input));
}
console.log(checkInput('"Definitely," he said in a matter-of-fact tone.',
["matter", "definitely"]));