[問題] 改變字型大小,只靠js可以嗎?
我想要做的效果是頁面上有5個按鈕
"最小" "較小" "標準" "較大" "最大"
按了按鈕就會模擬瀏覽器改變字型的大小
我目前是設5種CSS片段
然後動態判斷並改變網頁裡面的指定CSS
可是這樣不但效能很差,撰寫起來也很繁雜
請問只靠js跟CSS就做出此功能有可能嗎?
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