To see how your webpage renders and behaves when a browser doesn't have JavaScript support, temporarily turn off JavaScript.
To turn off JavaScript:
To open DevTools, right-click the webpage, and then select Inspect. Or, press Ctrl+Shift+I (Windows, Linux) or Command+Option+I (macOS). DevTools opens.
Press Ctrl+Shift+P (Windows, Linux) or Command+Shift+P (macOS) to open the Command Menu:
Start typing javascript, select Disable JavaScript [Debugger], and then press Enter:
The yellow triangular warning icon in the Sources tab indicates that JavaScript is disabled:
JavaScript remains disabled in the tab for as long as you have DevTools open.
To check how the page behaves without JavaScript, refresh the page.
To re-enable JavaScript:
Press Ctrl+Shift+P (Windows, Linux) or Command+Shift+P (macOS) to open the Command Menu.
Select the Enable JavaScript [Debugger] command, and then press Enter.
Questo modulo illustra vari concetti sull'accessibilità e su come aggiungerla alle applicazioni Web durante lo sviluppo per il Web. Si apprenderà quanto sia importante usare correttamente i tag HTML per descrivere le informazioni e verranno illustrati i diversi miglioramenti che è possibile apportare ai siti.