Here is how to do it in webdriver:

if(!driver.findElements(By.xpath("//*[@id='submit']")).isEmpty()){
//THEN CLICK ON THE SUBMIT BUTTON
}else{
//DO SOMETHING ELSE AS SUBMIT BUTTON IS NOT THERE
}

If you are working with an array and you need to remove an item from the array, here is how to do it:

See the following page for some clever code for finding an available port number in Windows to start an instance of the selenium server. This is handy when you are trying to start multiple instances of selenium and need port numbers that are not in use.

I use the Drupal content management system as a companion to the Selenium automation tools so that I get robust reporting and data manipulation. I also use it to perform parameterized data driven test scripts.

Here is how I am storing results into an array to read them in a test case at the end of the suite:

Here is how I call the data later and write to a report web form:

Attached are two files used as an example of how to write data to a MySQL database using HTML/PHP.

This article explains how to encrypt & decrypt with JavaScript and the Selenium IDE. You will need the attached user-extension.js installed, which was created from this article: https://code.google.com/p/crypto-js/#AES.

Here is an example of a Firefox security policy that turns OFF javaScript window.alerts for a specific domain:

<tr>
    <td>storeEval</td>
    <td>${totalCount} / 100</td>
    <td>pagerValue</td>
</tr>
<tr>
    <td>echo</td>
    <td>${pagerValue}</td>
    <td></td>

https://github.com/felixge/node-mysql

• firefox
• mock
• firefoxproxy
• pifirefox
• chrome
• iexploreproxy
• iexplore
• firefox3
• safariproxy
• googlechrome
• konqueror
• firefox2
• safari
• piiexplore
• firefoxchrome

http://release.openqa.org/selenium-remote-control/0.9.0/doc/java/

This is useful for testing AJAX elements have returned:

<tr>
    <td>waitForCondition</td>
    <td>var value = selenium.getText("//textarea[@name='comment']"); value == "" </td>
    <td>10000</td>
</tr>

Here is a code snippet of how to get tomorrows date:

This page is awesome and has a list of all Selenium commands with a link to a page with an example: http://software-testing-tutorials-automation....

This article shows you how to add variables to the user-extensions.js file for use in your tests. You have to declare a function first, then call that function in your test to access the varaibles.This method can be used in both the IDE and RC versions of the user-extension file.

 Selenium Reference