The finally statement always executes after try and catch block regardless of if there was an error or not.
Following is the code for the finally statement 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;
}
</style>
</head>
<body>
<h1>Finally in Javascript</h1>
<div class="sample"></div>
<div style="color: green;" class="result"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to call a variable before it is defined
</h3>
<script>
let sampleEle = document.querySelector(".sample");
let resEle = document.querySelector(".result");
document.querySelector(".Btn").addEventListener("click", () => {
try {
resEle.innerHTML = a;
}
catch (err) {
resEle.innerHTML = "Error = " + err;
}
finally {
sampleEle.innerHTML = "The code inside finally has been executed";
}
let a = 44;
});
</script>
</body>
</html>Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
