Coding⏱️ 2 min read📅 2026-05-31

How to Fix: JavaScript error (Uncaught SyntaxError: Unexpected end of input)

JavaScript error Uncaught SyntaxError: Unexpected end of input.

Quick Answer: The issue is with the HTML entity code in the JavaScript string. Replace < and > with < and > respectively.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🔧 Proven Troubleshooting Steps
  3. 🎯 Final Words

The issue you are experiencing is due to a mismatch between the JavaScript syntax used in Firefox and other browsers. The problem lies in the fact that the code uses the jQuery library, which is not enabled by default in Chrome or Internet Explorer.

🔍 Why This Happens

  • [Cause]

🔧 Proven Troubleshooting Steps

Method 1: Adding jQuery Script Tag

  1. Step 1: Add the following script tag to your HTML file, just before the closing tag.

Method 2: Using ES6 Syntax

  1. Step 1: Replace the jQuery function with its ES6 equivalent, using the arrow function syntax.

🎯 Final Words

[Wrap-up]

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