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How to find elements of JavaScript array by multiple values?
Following is the code to find elements of JavaScript array by multiple values −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.result {
font-size: 18px;
font-weight: 500;
color: rebeccapurple;
}
</style>
</head>
<body>
<h1>Find elements of JavaScript array by multiple values</h1>
<div class="result"></div>
<button class="Btn">CLICK HERE</button>
<h3>Click the above button to see if arr contains all elements of arr1 or not</h3>
<script>
let BtnEle = document.querySelector(".Btn");
let resEle = document.querySelector(".result");
let arr = [11, 44, 22, 16, 25, 91, 58];
let arr1 = [22, 91, 11];
let contain = arr1.every((item) => arr.includes(item));
BtnEle.addEventListener("click", () => {
if (contain) resEle.innerHTML = "The arr contains all elements of arr1";
else resEle.innerHTML = "The arr doesn't contain all elements of arr1";
});
</script>
</body>
</html>Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
Updated on: 18-Jul-2020
197 Views
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