當元素的捲軸在 HTML 中被滾動時執行指令碼?
當元素被滾動後,onscroll 屬性觸發。你可以嘗試執行以下程式碼來實現 onscroll 屬性:−
示例
<!DOCTYPE html> <html> <head> <style> #myid { width : 250px; height : 80px; border : 2px solid blue; overflow: scroll; } </style> </head> <body> <p>Scroll the box.</p> <div id = "myid" onscroll = "display()">This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. <br><br></div> <script> function display() { document.getElementById("myid").style.color = "blue"; } </script> </body> </html>
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