源代码 :
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> </head> <body> <h1 onmouseover="style.color='red'"onmouseout="style.color='black'">将鼠标移至文本上</h1> </body> </html>
运行结果