<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script> window.onload=function () { var oDiv=document.getElementById("div1"); var aCh=oDiv.getElementsByTagName("input"); var oBtn1=document.getElementById("btn1"); var oBtn2=document.getElementById("btn2"); var oBtn3=document.getElementById("btn3"); oBtn1.onclick=function () { for(var i=0;i<aCh.length;i++) { aCh[i].checked = true; } } oBtn2.onclick=function () { for(var i=0;i<aCh.length;i++) { aCh[i].checked = false; } } oBtn3.onclick=function () { for(var i=0;i<aCh.length;i++) { if(aCh[i].checked==true){ aCh[i].checked=false; } else { aCh[i].checked=true; } } } } </script> </head> <body> <input type="button" value="全选" id="btn1"> <input type="button" value="不选" id="btn2"> <input type="button" value="反选" id="btn3"> <div id="div1"> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> <input type="checkbox"><br> </div> </body> </html>
邮件中全选,不选,反选功能
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转载自blog.csdn.net/yangyalun/article/details/79854053
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