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Added On: 15/10/18   |    Category: Vanilla Javascript    |    Number of Views: 624

Using document.getElementById() in javascript to send form data   

The code below takes the form input and displays the result by using the document.write() comment.

Example 2: Using document.write() command in Javascript
Create a new .html document on your desktop, and rename the file example2.html

Open the document in your text editor and copy and paste the following code.

<form method="post" action="#" onSubmit="submit_form();">
First Name: <input type="text" name="first_name" id="fn" value=""
>
<input type="submit" name="submit" value="Submit Form">
</form>

<script>
function submit_form()
{
var first_name = document.getElementById('fn').value;
document.write("Hello ", first_name);
}
</script>


Save the document and open it in your webbrowser. My Computer Tips will be printed to the screen.

Example 1: Using document write() in javascript
Example 2: Using document.getElementByID() in javascript to send form data
Example 3: Generate a random number between 1 and 5 using Math.floor and Math.random commands in Javascript