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css(styleタグ)をjavascriptで追加する

CSS
JavaScript

Posted at 2021-01-14

// styleタグを作成
var styleTag = document.createElement('style');

// styleタグに記載するcssを記入
styleTag.innerText = `
    p {
       color:red;
    }
`;

// 作成したstyleタグを挿入
document.getElementsByTagName('head')[0].insertAdjacentElement('beforeend', styleTag);

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