代码
| # |
| <!DOCTYPE html> |
| <html lang="en"> |
| <head> |
| <meta charset="UTF-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| <title>全选</title> |
| </head> |
| <body> |
| <ul style="list-style: none;"> |
| <span>选择爱好</span> |
| <li><input type="checkbox" name="hb" />爬山</li> |
| <li><input type="checkbox" name="hb" />游泳</li> |
| <li><input type="checkbox" name="hb" />攀岩</li> |
| <li><input type="checkbox" name="hb" />冲浪</li> |
| <li><input type="checkbox" name="hb" />说唱</li> |
| </ul> |
| <input type="button" onclick="setAll()" value="全选" id="qx" /> |
| <input type="button" onclick="unsetAll()" value="全不选" id="qbx" /> |
| <input type="button" onclick="setOthers()" value="反选" id="fx" /> |
| </body> |
| </html> |
| |
| -------------------------------------------- |
| <!DOCTYPE html> |
| <html lang="en"> |
| |
| <head> |
| <meta charset="UTF-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| <title>全选</title> |
| </head> |
| |
| <body> |
| <ul style="list-style: none;"> |
| <span>选择爱好</span> |
| <li><input type="checkbox" name="hb" />爬山</li> |
| <li><input type="checkbox" name="hb" />游泳</li> |
| <li><input type="checkbox" name="hb" />攀岩</li> |
| <li><input type="checkbox" name="hb" />冲浪</li> |
| <li><input type="checkbox" name="hb" />说唱</li> |
| </ul> |
| <input type="button" onclick="setAll()" value="全选" id="qx" /> |
| <input type="button" onclick="unsetAll()" value="全不选" id="qbx" /> |
| <input type="button" onclick="setOthers()" value="反选" id="fx" /> |
| |
| <script> |
| var inp = document.getElementsByName('hb') |
| function setAll() { |
| for (var i = 0; i < inp.length; i++) { |
| inp[i].checked = true |
| } |
| } |
| function unsetAll() { |
| for (var i = 0; i < inp.length; i++) { |
| inp[i].checked = false |
| } |
| } |
| function setOthers() { |
| for (var i = 0; i < inp.length; i++) { |
| inp[i].checked = !inp[i].checked |
| } |
| } |
| </script> |
| </body> |
| |
| </html> |
验证
| |
| <!DOCTYPE html> |
| <html lang="en"> |
| |
| <head> |
| <meta charset="UTF-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| <title>全选</title> |
| </head> |
| |
| <body> |
| <ul style="list-style: none;"> |
| <span>选择爱好</span> |
| <li><input type="checkbox" name="hb" />爬山</li> |
| <li><input type="checkbox" name="hb" />游泳</li> |
| <li><input type="checkbox" name="hb" />攀岩</li> |
| <li><input type="checkbox" name="hb" />冲浪</li> |
| <li><input type="checkbox" name="hb" />说唱</li> |
| </ul> |
| <input type="button" onclick="setAll()" value="全选" id="qx" /> |
| <input type="button" onclick="unsetAll()" value="全不选" id="qbx" /> |
| <input type="button" onclick="setOthers()" value="反选" id="fx" /> |
| |
| <script> |
| var inp = document.getElementsByName('hb') |
| function setAll() { |
| for (var i = 0; i < inp.length; i++) { |
| inp[i].checked = true |
| } |
| } |
| function unsetAll() { |
| for (var i = 0; i < inp.length; i++) { |
| inp[i].checked = false |
| } |
| } |
| function setOthers() { |
| for (var i = 0; i < inp.length; i++) { |
| inp[i].checked = !inp[i].checked |
| } |
| } |
| </script> |
| </body> |
| |
| </html> |
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