HTML | DOM onsubmit Event

The onsubmit event in HTML DOM occurs after submission of a form. The form tag supports this event.

Syntax:

In HTML:
```
<element onsubmit="Script">
```
In JavaScript:
```
object.onsubmit = function(){myScript};
```
In JavaScript, using the addEventListener() method:
```
object.addEventListener("submit", myScript);
```

Example: Using JavaScript

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
      HTML DOM onsubmit Event 
  </title> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green">GeeksforGeeks</h1> 
        <h2>HTML DOM onsubmit Event</h2> 
        <form id="formID" action="#"> 
            Enter name: 
            <input type="text" name="fname"> 
            <input type="submit" value="Submit"> 
        </form> 
    </center> 
    
    <script> 
        document.getElementById("formID").onsubmit = 
            function() {GFGfun()}; 
  
        function GFGfun() { 
            alert("form submitted"); 
        } 
    </script> 
  
</body> 
  
</html> 

Output:
Before:

After:

Example: Using the addEventListener() method

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
      HTML DOM onsubmit Event 
  </title> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green">GeeksforGeeks</h1> 
        <h2>HTML DOM onsubmit Event</h2> 
        <form id="formID" action="#"> 
            Enter name: 
            <input type="text" name="fname"> 
            <input type="submit" value="Submit"> 
        </form> 
    </center> 
    
    <script> 
        document.getElementById( 
          "FormID").addEventListener("submit", GFGfun); 
  
        function GFGfun() { 
            alert("form submitted"); 
        } 
    </script> 
  
</body> 
  
</html> 

Output:
Before:

After:

Supported Browsers: The browsers supported by HTML DOM onsubmit Event are listed below:

Google Chrome
Internet Explorer
Firefox
Apple Safari
Opera

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