HTML
CSS
Deno
Examples
Do It Yourself
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<html><head><script> function greet() { var timeOfTheDay = new Date().getHours(); var greeting; if(timeOfTheDay < 12) { greeting = 'morning'; } else if(timeOfTheDay < 16) { greeting = 'afternoon'; } else { greeting = 'evening'; } alert('Good ' + greeting + '!'); } </script> </head><body> <button onclick="greet();">Click me to greet!</button> </body></html>