Oops, You will need to install Grepper and log-in to perform this action. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How to Draw a Half Moon using HTML and CSS? They're also values, and just like other values, TypeScript has many ways to describe how functions can be called. Here you can see an example of HTML page source code that uses the window.onload method for auto-execution to display an alert box. Are there tables of wastage rates for different fruit and veg? The DOM tree is ready heres the event. In the above HTML page source, you can see the