Software⏱️ 2 min read📅 2026-05-31

How to Fix: "Submit is not a function" error in JavaScript

Learn how to fix: "Submit is not a function" error in JavaScript.

Quick Answer: Try checking your system settings or restarting.

The error "Submit is not a function" in JavaScript occurs when the form submission method is set to 'get' and the form contains an input field with type 'button'. This prevents the default behavior of submitting the form using the submit() method.

🛑 Root Causes of the Error

  • The form's method is set to 'get' instead of 'post'.

🚀 How to Resolve This Issue

Method 1: Changing the Form Method

  1. Step 1: Change the form's method from 'get' to 'post'. This will allow the default behavior of submitting the form using the submit() method.

Method 2: Using a Button with Type='submit'

  1. Step 1: Replace the input field with type 'button' with an input field of type 'submit'. This will allow the form to submit correctly.

🎯 Final Words

By following these steps, you should be able to resolve the "Submit is not a function" error in JavaScript and successfully submit your form.

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