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<html>
<head>
<title>JavaScript</title>
<script language="JavaScript">
//変数の宣言
var nisin = new Array(16);
var jyu = 10; //2進数に直したい数値を入力
var i;
//変換
for(i=0; i<16; i++){
nisin[i] = jyu % 2;
jyu = Math.floor(jyu / 2);
}
//出力
for(i=16-1; i>=0; i--){
document.write(nisin[i]);
}
</script>
</head>
<body>
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