So if you set the 'checked' attribute to "false", the checkbox will be checked. I had to set the value to the empty string, null or the boolean ... ... <看更多>

Checking if a checkbox is checked · First, select the checkbox using the selecting DOM methods such as getElementById() or querySelector() . · Then, access the ... ... <看更多>

prop() 取該元素的屬性checked 的值，則會取得布林值true 或false。 <input type="checkbox" class="checkbox-1" checked ... ... <看更多>

<script type="text/javascript">. function setCookie(c_name,value,expiredays) {. var exdate=new Date(). exdate.setDate(exdate.getDate()+expiredays). ... <看更多>

First: id in html elements and javascript are case sensitive: #Checkbox ≠ #checkbox. Second, change event is better than click for a checkbox. ... <看更多>

Javascript CheckBox Check And UncheckSource Code: http://1bestcsharp.blogspot.com/2017/01/javascript ... ... <看更多>