1、全选,取消,反选的例子
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>全选以及取消测试</title> </head> <body> <table border="1"> <thead> <tr> <th> 选择按钮 </th> <th> 内容 </th> </tr> </thead> <tbody> <tr> <td> <input type="checkbox"> </td> <td> 123 </td> </tr> <tr> <td> <input type="checkbox"> </td> <td> 456 </td> </tr> <tr> <td> <input type="checkbox"> </td> <td> 789 </td> </tr> </tbody> </table> <input type="radio" name='cc' onclick="select_all()">:全选 <input type="radio" name='cc' onclick="clear_all()">:取消 <input type="radio" name='cc' onclick="reverse_all()">:反选 <script src="jquery-3.2.1.js"></script> <script> function select_all() { $("table input[type='checkbox']").prop('checked',true) } function clear_all() { $("table input[type='checkbox']").prop('checked',false) } function reverse_all() { // var list = $("table input[type='checkbox']") $("table input[type='checkbox']").each(function () { var ischecked = $(this).prop('checked') if(ischecked){ $(this).prop('checked',false) }else { $(this).prop("checked",true) } }) } </script> </body> </html>
2、左侧菜单的例子
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>左侧菜单例子</title> <style> .aa{ background-color: greenyellow; width: 30%; height: 500px; border-color: orange; /*border-width: 4px;*/ border-style: solid; float: left; } .bb{ background-color: aqua; width: 69%; height: 500px; border-style:dashed; /*border-width: 6px;*/ border-color: orange; float: right; } .cc{ font-size: 40px; } .dd{ border-color: red; border-style: solid; background-color:black; color: white; } .ee{ display: none; } </style> </head> <body> <div class="aa"> <div> <strong class="cc" onclick="func(this)">菜单1</strong> <div class="dd ee"> <div>内容1</div> <div>内容2</div> <div>内容3</div> <div>内容4</div> </div> </div> <div> <strong class="cc" onclick="func(this)">菜单2</strong> <div class="dd ee"> <div>内容1</div> <div>内容2</div> <div>内容3</div> <div>内容4</div> </div> </div> <div> <strong class="cc" onclick="func(this)">菜单3</strong> <div class="dd ee"> <div>内容1</div> <div>内容2</div> <div>内容3</div> <div>内容4</div> </div> </div> </div> <div class="bb">内容</div> <script src="jquery-3.2.1.js"></script> <script> function func(ths) { $(ths).next("div").removeClass("ee") $(ths).parent().siblings("div").children("div").addClass("ee") } </script> </body> </html>