![[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"a=(x,y,d=5*cos(o=mag(k=x/8-12.5,e=y/8-12.5)/12*cos(sin(k/2)*cos(e/2))))=>
point((x+d*k*(sin(d*2+t)+sin(y*o*o)/9))/1.5+133,(y/3-d*40+19*cos(d+t))*1.5+300)
t=0,draw=$=>{t||createCanvas(w=400,w);background(6,96).stroke(w,46);for(t+=PI/90,i=4e4;i--;)a(i%200,i/200)}a=(x,y,o=mag(k=x/4-12.5,e=y/9+9)/9)=>point((q=x+99+tan(1/k)+o*k*(cos(e*9)/2+cos(y/9)/.7)*sin(o*4-t*2))*.7*sin(c=o*e/30-t/8)+200,200+y*cos(c*4-o)-q/2*cos(c))
t=0,draw=$=>{t||createCanvas(w=400,w);background(6).stroke(w,46);for(t+=PI/60,i=2e4;i--;)a(i%100,i/250)}<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.4.0/p5.js"></script>
<script>
a=(x,y,o=mag(k=x/4-12.5,e=y/9)/9)=>point((q=x+99+cos(9/k)+o*k*(cos(e*9)/3+cos(y/9)/.7)*sin(o*4-t))*.7*sin(c=o*e/30-t/8)+200,200+y/9*cos(c*4-t/2)-q/2*cos(c))
t=0,draw=$=>{t||createCanvas(w=400,w);background(6).stroke(w,46);for(t+=PI/60,i=3e4;i--;)a(i%100,i/150)}
</script><script src="https://cdn.jsdelivr.net/npm/p5@1.4.0/lib/p5.js"></script>
<script>
a=(x,y,d=mag(k=x/8-25,e=y/8-25)**2/99)=>[(q=x/3+k*.5/cos(y*5)*sin(d*d-t))*sin(c=d/2-t/8)+e*sin(d+k-t)+200,(q+y/8+d*9)*cos(c)+200]
t=0,draw=$=>{t||createCanvas(w=400,w);background(6).stroke(255,96);for(t+=PI/60,y=99;y<300;y+=5)for(x=99;++x<300;)point(...a(x,y))}
</script> 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 =>{});})();
