find string in array javascript code example
Example 1: search in string array javascript
function searchStringInArray (str, strArray) {
for (var j=0; j<strArray.length; j++) {
if (strArray[j].match(str)) return j;
}
return -1;
}
Example 2: javascript element in array
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var n = fruits.includes("Mango");
Example 3: find string in array javascript
var myarr = ["I", "like", "turtles"];
var arraycontainsturtles = (myarr.indexOf("turtles") > -1);
Example 4: how to get the index of an array in javascript
search = (arr, item) => { return arr.indexOf(item); }
Example 5: check if array does not contain string js
function checkInput(input, words) {
return words.some(word => input.toLowerCase().includes(word.toLowerCase()));
}
console.log(checkInput('"Definitely," he said in a matter-of-fact tone.',
["matter", "definitely"]));
Example 6: 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"]));