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Implementing Linear Search in JavaScript
Following is the code for implementing linear search in JavaScript −
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,.sample {
font-size: 20px;
font-weight: 500;
color: blueviolet;
}
.sample{
color:red;
}
</style>
</head>
<body>
<h1>Implementing linear search</h1>
<div class="sample">[1,19,5,11,22,55]</div><br>
<div class="result"></div>
<br />
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to search for 22 in the above array</h3>
<script>
let resEle = document.querySelector(".result");
let BtnEle = document.querySelector(".Btn");
let arr = [1,19,5,11,22,55];
BtnEle.addEventListener("click", () => {
for(let i=0;i<arr.length;i++){
if(arr[i]===22){
resEle.innerHTML = 'Element found at : '+i;
break;
}
}
});
</script>
</body>
</html>Output
On clicking the ‘CLICK HERE’ button −
Updated on: 22-Jul-2020
273 Views
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