点击事件：onclick
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Document</title> 6 <style> 7 #Odiv{ 8 width: 200px; 9 height:200px; 10 background: yellow; 11 } 12 </style> 13 </head> 14 <body> 15 <div id="Odiv" onclick="show)">点击0次</div> 16 <script> 17 var time=0; 18 function show){ 19 iftime%2==0){ 20 21 Odiv.style.background="pink"; 22 console.logtime); 23 time++; 24 }else{ 25 26 Odiv.style.background="yellow"; 27 console.logtime); 28 time++; 29 } 30 document.getElementById'Odiv').innerHTML = "点击"+time+"次"; 31 } 32 </script> 33 34 </body> 35 </html>
功能：点击会显示点击次数，实现颜色交替出现。
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