Step 1 − To add the js file, first navigate to https://github.com/darrenderidder/sideflow/blob/master/sideflow.js and copy the script and place save it as 'sideflow.js' in your local folder as shown below.
Step 2 − Now launch 'Selenium IDE' and navigate to "Options" >> "Options" as shown below.
Step 3 − Click the 'Browse' button under 'Selenium Core Extensions' area and point to the js file that we have saved in Step 1.
Step 4 − Restart Selenium IDE.
Step 5 − Now you will have access to a few more commands such as "Label", "While" etc.
Step 6 − Now we will be able to create a While loop within Selenium IDE and it will execute as shown below.