function s1Func(){ var s1Div = document.getElementById("s1Div"); s1Div.after("abc"); }
var s2Btn = document.getElementById("s2Btn"); s2Btn.onclick = function s2Func(){ var d = new Date(); var year = d.getFullYear(); var month = d.getMonth() + 1; var week = d.getDay(); var day = d.getDate(); var dayOfTheWeek = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ]; var hour = d.getHours(); var minute = d.getMinutes(); var second = d.getSeconds(); var today = document.createElement("div"); today.innerText = year + "年" + month + "月" + day + "日 " + dayOfTheWeek[week]; s2Btn.after(today); var time = document.createElement("div"); time.innerText = hour + "時" + minute + "分" + second + "秒"; today.after(time); }