Enable JavaScript in Google Chrome

Open a window in Google Chrome.
At the top right, click More Settings.
At the bottom, click Show advanced settings.
In the "Privacy" section, click Content settings.
Select Allow all sites to run JavaScript (recommended) in the "JavaScript" section.

Click Done.

Enable or disable Javascript in Internet Explorer 11

Select the Gear in the upper-right corner of the screen or the “Tools” menu if you have the menu bar enabled, then select “Internet Options“.
Select the “Security” tab.
Select the zone you wish to modify. In most cases, it will be “Internet“.
Select the “Custom level…” button.
Scroll down to the “Scripting” area and select the radio button to “Enable” or “Disable” it “Active scripting“. You may also opt for IE11 to “Prompt” you to allow scripts to run.

Select “OK“, then “OK” again.