radio checked

Add a click event to TR, use the Find method to find all levels of elements under TR, children only the elements at the next level, so use Find.The return value of find is a jquery object, and in this project it is not known why the use of jquery to add the checked attribute to a checkbox or to remove the checked property does not change the state of the CHECKOBX, so I convert the jquery object to a DOM obj

Recently, in the process of doing a project encountered such a problem: in the process of using the bootstrap modal box, there is a checkbox in the Modal box, initially selected, when the Trigger modal box button is clicked, when Chcekbox is selected, a tick is displayed, This time the selected state is cached, then click the Close button in the Modal box, click the Trigger Modal Box button again to pop up the modal box, this time the problem arises:The checkbox tag already has

$ (# Cb ). attr (checked); The returned values are checked or undefined, not true or false. The solution to this problem is as follows, if you are interested, you can refer to the following scenario where we need to: There is a checkbox on the page, and we hope to use Jquery to determine whether it is selected or whether it is selected through Jquery. In versions earlier than JQ1.6, We will write our Code a

Jquery gets the radio value (single-choice group radio), jqueryradio Radio Group radio: $ ("input [@ type = radio] [@ checked]"). val (); Radio Group

The small problem has been troubling for a long time.I started by$ ("input[name=xxx]"). attr (' checked ', true);To set whether or not to select, all kinds of useless, clearly the code of the page is already checked=checked, is not displayed tick.Baffled ...Then I found the answer on the Internet.if (Databack.remind) {$ ("#isremind"). Prop ("

All exception types are subclasses of the Throwable class, which contains the exception class and the error class, and exception also includes checked exception and unchecked exception.The unchecked Exception:java compiler does not require that an unchecked exception be caught or thrown, and can be handled without processing. Such exceptions are usually logically faulty and can be avoided by modifying the code. This type of exception occurs when compi

$ (' #checkbox '). attr (' checked '); The return is checked or undefined. Not the original true and false, the workaround for this problem is as followsBefore the JQ1.6 version number, we would write our code like this:It's no problem before JQ1.6. But when we upgrade JQ1.6 to a higher version number. Here's the problem. At this point we will find:$ (' #cb '). attr ('