Technology Programming

How to Pass a Variable to JavaScript

By Technology Last updated Saturday, July/27/2024

1). Write the function that is going to have variables passed to it. A sample function that generates an alert might look something like:

function myfunction(txt)

{

alert(txt);

}

If this is inside of an HTML page, this code should be enclosed in "script" tags; do this in your favorite text editor.
2). Create an HTML button. The following code is an example of what HTML button code looks like.

<input type="button" value="Call function">
3). Add the following code to the button code:

onclick="myfunction('Hello')"

This code should go between the "type" and "value" parameters. This is the code that calls the function that was defined and passes it a variable.
4). Save the document. It should end in ".html." Open the file and click the button to see the effect of passing a variable to this JavaScript function.

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