To enable JavaScript in Safari on your iPad or iPhone:
1) Open your device 'Settings'.
2) Scroll down to find 'Safari' and tap on it to bring up the options page.
3) Scroll down to 'Advanced'.
4) In 'Advanced' settings, look for 'Javascript' and ensure the setting is enabled or green.
To enable JavaScript in Google Chrome on your Android:
1) Select Browser or Internet to open the web browser.
2) Tap on 'Menu' at the upper left corner.
3) Select 'Settings'.
4) From the Advanced section, tap 'Site settings'.
5) Tap 'JavaScript'.
6) Tap the JavaScript switch to turn on.