jquery binding carriage Return action catch enter key trigger event _jquery

1, jquery capture Enter:

Copy Code code as follows:

$ ("html"). Die (). Live ("KeyDown", function (event) {
if (event.keycode==13) {
Add the logic to be processed here
}
});

Bind carriage Return action
$ (' textarea[name=chattext] '). KeyDown (function (event) {
if (event.which==13) {

}
});

2.jquery get multiple checked checkbox values:

Copy Code code as follows:

$ (' input[type= ' checkbox '][name= ' types ']:checked '). each (function () {
Types = types+$ (this). Val () + "|";
}
);

3.jquery Asynchronous Request Method:

Copy Code code as follows:

$.ajax ({
URL: "${pagecontext.request.contextpath}/ Uosrolemanangeraction.do?method=createrole ",
Type: Post,
DataType: HTML,
data:{" rolename ": rolename , "roledescription": roledescription, "roles": Roles, "Types": Types},
Success:function (data) {
var dataobj=eval ("(" +data+ ")");
if (dataobj.result) {
Alert (Operation succeeded!) ");
SubmitForm (null, "Initpage");
}else {
Alert (operation failed!) ");
}
}
});