Prasanth's blog

The browsers cache a webpage on your machine when it is loaded, and on subsequent request show the data from the cache instead of requesting the server. You can instruct the browser to load the most recent version of the page from the server (called Hard Refresh) by the following steps. Mozilla Firefox Windows: Hold the Ctrl key and press the F5 key or, hold down Ctrl and ⇧ Shift and then press R. Mac: Hold down the ⇧ Shift and click the Reload button or, hold down ⌘ Cmd and ⇧ Shift and then press R. Google Chrome Windows: Hold down Ctrl and click the Reload button or, press F5. Mac: Hold ⇧ Shift and click the Reload button or, hold down ⌘ Cmd and ⇧ Shift key and then press R. Internet Explorer Hold the Ctrl key and press the F5 key or, hold the Ctrl key and click the Refresh button. Safari Hold down ⇧ Shift and click the Reload button on the toolbar.

Apple Safari in Mac does have a hidden Debug menu that is useful for finding out the JS errors in the page. But, this is disabled by default. You can easily enable this using the following command in the terminal when Safari is not running. Terminal % defaults write com.apple.Safari IncludeDebugMenu 1 Now, open Safari and you can see an additional menu on the top. You can always disable this menu by replacing the 1 at the end of the command with 0 and executing again.