let x = new Date(); document.write(x, "<br>"); let y = new Date("17 Feb 2023 13:40:59"); document.write(y); let z = y.getDay(); document.write("<br>", "<br>"); let w = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Firday", "Saturday" ]; document.write("Date in Term of JS Execute : " + z, "<br>", "<br>"); // Using If Else Function /* if (z == 0) { document.write(w[0]); } else if (z == 1) { document.write(w[1]); } else if (z == 2) { document.write(w[2]); } else if (z == 3) { document.write(w[3]); } else if (z == 4) { document.write(w[4]); } else if (z == 5) { document.write(w[5]); } else { document.write(w[6]); } */ // Using same with Switch Case switch (z) { case 0: document.write(w[0]); break; case 1: document.write(w[1]); break; case 2: document.write(w[2]); break; case 3: document.write(w[3]); break; case 4: document.write(w[4]); break; case 5: document.write(w[5]); break; default: document.write(w[6]); }