DOCTYPEhtml><html><head><title>设置复选框为默认</title></head><body><inputtype="checkbox"id="myCheckbox"name="myCheckbox"value="1"><labelfor="myCheckbox">选项1</label><script>window.onload=function(){constcheckbox=document.getElementById('myCheckbox');checkbox.checked=true;// 设置为选中...
举个例子，比如如下是HTML的结构：这里推荐使用jQuery库，比较方便。以下是代码：大致思路就是：先利用name属性值获取checkbox对象，然后循环判断checked属性。（true表示被选中，false表示未选中）具体解释一下：首先用document.getElementsByName()这个方法，通过input标签的name属性将input元素获取，并存进obj这...
="selectAll(this);" />全选/全取消<br/> <script src="http://www.jq22.com/jquery/jquery-2.1.1.js"></script> <script type="text/javascript"> function selectAll(checkbox) { $('input[type=checkbox]').prop('checked', $(checkbox).prop('checked')); } </script> </body> </html>...
获取checkBox的值,checkBox的html如下 <input type="checkbox"value="1"name="sProblem">check1<input type="checkbox"value="2"name="sProblem">check2<input type="checkbox"value="3"name="sProblem">check3<input type="checkbox"value="4"name="sProblem">check4 获取选中的checkbox的val,并合成为一个...
</form> <button onclick="check()">确认选择框</button> <button onclick="uncheck()">不确认选择框</button> </body> </html> 尝试一下 » 更多实例Checkbox - 把文本转换为大写一个表单中的若干个 checkboxCheckbox 对象 HTML DOM Button 对象 <input> - color 点...
A single checkbox in JavaScript consists of toggle states for performing check and uncheck actions. To prevent the toggling of a checkbox value, you can use the disable option.Tri-state or indeterminate checkbox The HTML5 Checkbox control also features a built-in indeterminate state for option se...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
foreach (ListItem item in cblList.Items){ if (item.Selected){ //Do something CheckScoolId += item.Value //如果选中则保存唯一标示到变量中 } else { if (!string.IsNullOrEmpty(CheckScoolId) && !string.IsNullOrEmpty(CheckScoolName)){ //Do something } } } } //数据加载后,反向...
Checkbox groups can be built in HTML with the <fieldset> and <input> elements, however these can be difficult to style. CheckboxGroup helps achieve accessible checkbox groups that can be styled as needed.Accessible –Checkbox groups are exposed to assistive technology via ARIA, and automatically ...