Enable JavaScript in Safari on an iPhone

Step 1 : - Tap the "Settings" icon

Step 2 : - Tap the "Safari" menu option

Step 3 : - Tap on the "Advanced" menu option

Step 4 : Enable JavaScript setting

Enable JavaScript in Safari on MacBook

Step 1 : - Click on "Safari" menu option

Step 2 : - Click on "Preferences" menu option from list

Step 3 : - Click on "Security" option & Enable JavaScript in Web content