如何用 JavaScript 设置文本字体大小?
要设置字体大小,请使用 JavaScript 中的fontSize属性。你可以尝试运行以下代码,以使用 JavaScript 设置文本字体大小 −
示例
在线演示<!DOCTYPE html> <html> <body> <h1>Heading 1</h1> <p id = "myID"> This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. </p> <button type = "button" onclick = "display()">Set Font Family and Size</button> <script> function display() { document.getElementById("myID").style.fontFamily = "verdana,sans-serif"; document.getElementById("myID").style.fontSize = "smaller"; } </script> </body> </html>
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