You can enable javascript, select Menu > Settings > Advanced > Site Settings > JavaScript >
                        Toggle the setting to "Allowed".
                    
                 
                
                    You can enable javascript by following steps :
                    
                        - Type "about:config" in the address bar, then press "Enter"
- Select the "I accept the risk!" button.
- Type "javascript" in the "Search" box.
- Double-click the "javascript.enabled" line to toggle the setting between "true".
 
                
                    You can enable javascript by following steps :
                    
                        - Go to Safari->Preferences (Command-,).
- Click on the Security tab.
- Check "Enable Javascript".
 
                
                    You can enable javascript by following steps :
                    
                        - 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 "Internet" to modify.
- Select the "Custom level…" button.
- Scroll down to the "Scripting" area and select the radio button to "Enable"
- Select "OK", then "OK" again.
 
                
                    You can enable javascript by following steps :
                    
                        - Click on Settings Icon on the top right corner.
- Scroll Down to Bottom and you can find go to Browser Settings, click on that.
- Search "Site Settings" and click on Site Settings.
- Click on Javascript and Toggle the setting to "Allowed"