![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
(本ページで扱うのはES6以前のJavaScript(Vanilla JS)の話です）
element = document.getElementsByTagName("body");
var title = document.title;
if(element[0]){
var childElement = document.createElement("span");
element[0].appendChild(childElement);
childElement.innerHTML = "<span style=
'font-family:ＭＳ Ｐゴシック;position:absolute;top:740px;left:900px;]
font-weight:bold;font-color:black;font-size:25px;
background-color:white;width:74px;height:20px;z-index:1000;'>" +
title + "</span>";
}<input type="button" value="サブウィンドウを閉じる" onClick="window.close()">
<a href="javaScript:hoge_func()">実行する</a>
num.toLocaleString(undefined, {minimumFractionDigits: 2})const date = new Date(2001, 0, 2, 3, 4, 5);
const d = new Intl.DateTimeFormat("ja-jp", {
year: "numeric",
month: "2-digit",
day: "2-digit",
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
}).format(date);
console.log(d); //=> "2001/01/02 03:04:05"javascript:(
function(){
scroll(0,0);
H='http://hamachiya.com/';
D=document;
F=Math.floor;
R=Math.random;
Q=new Image;
Q.src=H+'g1.gif';
L=function(){
var X=F(R()*vw);
var Y=0;
var r=F(R()*9)+3;
var V=Z(X,Y);
D.body.appendChild(V);
var f=function(){
if(Y+r<vh){
V.style.top=(Y+=r)+'px'
}else{
V.style.top=vh+'px';
V.src=H+'g2.gif';
setTimeout(function(){V.src=H+'g3.gif'},550);
clearInterval(t);
}
};
var t=setInterval(f,40)
};
Z=function(x){
var e=D.createElement('img');
e.src=Q.src;
var s=e.style;
s.position='absolute';
s.left=x+'px';
s.top=0;
return e;
};
var vw,vh;
Q.onload=function(){
vw=(self.innerWidth||
D.documentElement.clientWidth||D.body.clientWidth)
-Q.width;
vh=(self.innerHeight||
D.documentElement.clientHeight||D.body.clientHeight)
-Q.height;
setInterval(L,800);
Q.onload={}
}
}
)()javascript:(function(){var text =document.title+">"+document.URL; navigator.clipboard.writeText(text).then(e =>{alert('Copy OK!');});})();javascript:(function(){var w = document.URL;if (w.indexOf('qiita.com') >= 0 && w.indexOf('?') >=0) {w = w.substr(0,w.indexOf('?'))}; var text=document.title+">"+w; navigator.clipboard.writeText(text).then(e =>{});})();
