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scriptタグを使いまわしたい

Last updated at Posted at 2021-08-10

#どういうことか
いろんなHTMLに同じscriptタグ(js,css)を使いたい...!
ググっても出てこない...そんなあなたにお勧めです!
初投稿です。
#沼ってたとき
Document.write 非推奨
innerHTML 使えない
insertAdjacentHTML 使えない
#なぜ
セキュリティの関係で無効化されてるようです。
#解決策
createElementを使いましょう!
コードを書いてみました。

head.js
var script;
var link;
const js = url => {
    script = document.createElement('script');
    script.src = url;
    document.head.appendChild(script);
}
const css = url => {
    link = document.createElement('link');
    script.href = url;
    script.rel = "stylesheet";
    document.head.appendChild(script);
}
//使用例
js("hoge.js");
js("https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.0.0/p5.js")
css("hoge.css");
css("https://fonts.googleapis.com/css?family=M+PLUS+Rounded+1c");
index.html
<head>
  <script src="head.js"></script>
</head>

相対パスも使えて便利です!
使えなかったらごめんなさい😥

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