JavaScript Date Methods in Geogebra

//JavaScript Date Methods var d = new Date(); var d = new Date(2018, 11, 24, 10, 33, 30, 0); var d = new Date(2018, 11, 24, 10, 33, 30); var d = new Date(2018, 11, 24, 10, 33); var d = new Date(2018, 11, 24, 10); var d = new Date(2018, 11, 24); var d = new Date(2018, 11); var d = new Date(2018); var d = new Date(99, 11, 24); var d = new Date(9, 11, 24); var d = new Date("July 11, 2020 11:13:00"); var d = new Date(0); var d = new Date(100000000000); var d = new Date(-100000000000); var d = new Date(86400000); //////////////////////////////////////// var d = new Date("2015-03-25"); var d = new Date("2015-03"); var d = new Date("2015"); var d = new Date("2015-03-25T12:00:00Z"); var d = new Date("2015-03-25T12:00:00-06:30"); var d = new Date("03/25/2015"); var d = new Date("2015-3-25"); var d = new Date("2015/03/25"); var d = new Date("25-03-2015"); var d = new Date("Mar 25 2015"); var d = new Date("25 Mar 2015"); var d = new Date("January 25 2015"); var d = new Date("Jan 25 2015"); var d = new Date("JANUARY, 25, 2015"); ///////////////////////////////////////// var d = new Date(Date.parse("March 21, 2012")); //0-January,1-February,2-March,3-April,4-May,5-June, //6-July,7-August,8-September,9-October",10-November,11-December alert((d.getMonth()+1)+" "+d.getDate()+", "+d.getFullYear()); //////////////////////////////////////// //getTime var d = new Date(); alert(d.getTime()); //getFullYear var d = new Date(); alert(d.getFullYear()); //getMonth var d = new Date(); alert(d.getMonth()); //getMonth Array var d = new Date(); var months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; //0-January,1-February,2-March,3-April,4-May,5-June, //6-July,7-August,8-September,9-October",10-November,11-December alert(months[d.getMonth()]); //getDate var d = new Date(); alert(d.getDate()); //getHours var d = new Date(); alert(d.getHours()); //getMinutes var d = new Date(); alert(d.getMinutes()); // var d = new Date(); alert(d.getSeconds()); var d = new Date(); alert(d.getMilliseconds()); var d = new Date(); alert(d.getDay()); var d = new Date(); var days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]; //0-Sunday,1-Monday,2-Tuesday,3-Wednesday, //4-Thursday,5-Friday,6-Saturday alert(days[d.getDay()]); /////////////////////////////////////////////////// //setFullYear var d = new Date(); d.setFullYear(2020); alert(d.getFullYear()); //setFullYear var d = new Date(); d.setFullYear(2020, 11, 3); alert(d.getFullYear()+","+(d.getMonth()+1)+","+d.getDay()); //setMonth var d = new Date(); d.setMonth(11); alert(d.getMonth()); //setDate var d = new Date(); d.setDate(15); alert(d.getDate()); //setDate var d = new Date(); d.setDate(d.getDate() + 50); alert(d.getDate()); //setHours var d = new Date(); d.setHours(22); alert(d.getHours()); //setMinutes var d = new Date(); d.setMinutes(30); alert(d.getMinutes()); //setSeconds var d = new Date(); d.setSeconds(30); alert(d.getSeconds()); //setFullYear with if-else var today, someday, text; today = new Date(); someday = new Date(); someday.setFullYear(2020, 03, 12); if (someday > today) { text = "Today is before March 12, 2020."; } else { text = "Today is after March 12, 2020."; } alert(text); /////////////////////////////////////////// var start = Date.now(); var millis; var i = 0; do { i = i + 1; millis = Date.now() - start } while (millis < 1000); alert(i); ////////////////////////////////////////// var start = Date.now(); var millis = 0; var i=0; while (millis < 1000) { i=i+1; millis =Date.now() - start } alert(i)