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<!DOCTYPE html> <html> <head> <style> #main { width: 400px; height: 150px; border: 1px solid #000000; display: flex; } #main div { width: 70px; height: 70px; } </style> </head> <body> <div id="main"> <div style="background-color:coral;" id="myRedDIV"></div> <div style="background-color:lightblue;" id="myBlueDIV"></div> <div style="background-color:lightgreen;" id="myGreenDIV"></div> <div style="background-color:pink;" id="myPinkDIV"></div> </div> <p>单击“试一试”按钮以更改四个 DIV 的顺序：</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { document.getElementById("myRedDIV").style.order = "4"; document.getElementById("myBlueDIV").style.order = "3"; document.getElementById("myGreenDIV").style.order = "1"; document.getElementById("myPinkDIV").style.order = "2"; } </script> </body> </html>