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JavaScript Convert a string to boolean
To convert a string to boolean in JavaScript, the code is as follows −
Example
<!DOCTYPE html>
<html>
<head>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
</style>
</head>
<body>
<h1>Converting string to boolean</h1>
<button class="Btn">CLICK HERE</button>
<input class="str" type="text" />
<p class="sample"></p>
<h3>Click the above button to convert the string to boolean value</h3>
<script>
let sampleEle = document.querySelector(".sample");
let inputEle = document.querySelector(".str");
document.querySelector(".Btn").addEventListener("click", () => {
sampleEle.innerHTML += "Using == " + (inputEle.value == "true") + "<br>";
sampleEle.innerHTML += "Using === " + (inputEle.value === "true") + "<br>";
});
</script>
</body>
</html>Output
On writing something in the input field other than string ‘true’ and clicking the button −
Updated on: 07-May-2020
158 Views
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