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How to search for a string in JavaScript?
Following is the code for searching a string 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 {
font-size: 20px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>Searching a string in JavaScript</h1>
<div class="sample">The spring season is about to come.</div>
<div style="color: green;" class="result"></div>
<button class="btn">CLICK HERE</button>
<h3>
Click on the above button to find the string 'spring' in the above string
</h3>
<script>
let btnEle = document.querySelector(".btn");
let sampleEle = document.querySelector(".sample").innerHTML;
let resEle = document.querySelector(".result");
btnEle.addEventListener("click", () => {
resEle.innerHTML = "The string spring is found at position " + sampleEle.search("spring");
});
</script>
</body>
</html>Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
Updated on: 15-Jul-2020
152 Views
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