JavaScript unescape() with example


The JavaScript unescape() function is used to decode an encoded string. It is deprecated in JavaScript version 1.5.

Following is the code for the unescape() function −

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,
   .result {
      font-size: 18px;
      font-weight: 500;
      color: red;
   }
   .result {
      color: blueviolet;
   }
</style>
</head>
<body>
<h1>JavaScript unescape() property</h1>
<div class="sample"></div>
<div class="result"></div>
<button class="Btn">CLICK HERE</button>
<h3>
CLICK the above button to decode the above url
</h3>
<script>
   let sampleEle = document.querySelector(".sample");
   let resultEle = document.querySelector(".result");
   let url = "Hello World?image=8sf.jpg&size=400px";
   sampleEle.innerHTML = "Encoded url = " + escape(url) + "<br>";
   document.querySelector(".Btn").addEventListener("click", () => {
      resultEle.innerHTML = "Decoded url = " + unescape(url);
   });
</script>
</body>
</html>

Output

On clicking the ‘CLICK HERE’ button −

Updated on: 12-May-2020

126 Views

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