Array some() function in JavaScript

JavascriptWeb DevelopmentObject Oriented Programming

The JavaScript Array some() function checks if some of the elements of the array pass a given test or not. The test is basically a function which is run for each element of the array.

Following is the code for the array some() method −

Example

 Live Demo

<!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;
   }
   .sample {
      font-size: 20px;
      font-weight: 500;
   }
</style>
</head>
<body>
<h1>JavaScript Array some()</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to see if some multiples of 11 are present in
array or not
</h3>
<script>
   function checkMultiple(ele) {
      if (ele % 11 == 0) return true;
   }
   let fillEle = document.querySelector(".sample");
   let arr = [22, 19, 55, 12, 14];
   fillEle.innerHTML = arr;
   document.querySelector(".Btn").addEventListener("click", () => {
      fillEle.innerHTML = "Multiples of 11 present: " + arr.some(checkMultiple);
   });
</script>
</body>
</html>

Output

On clicking the “CLICK HERE” button −

raja
Published on 08-May-2020 15:46:52
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