Various methods for jquery to operate checked attributes and disabled attributes_jquery

There is no difference between the two ways of writing below, it’s just that some code is missing...

Copy code The code is as follows:

Three ways to determine checked in jquery:

Copy code The code is as follows:

.attr('checked'): //Look at version 1.6, return: "checked" or "undefined"; 1.5-return: true or false
.prop('checked'): //16 :true/false
.is(':checked'): //All versions: true/false//Don’t forget the colon

Several ways to write jquery assignment checked:

All jquery versions can be assigned like this:

Copy code The code is as follows:

$("#cb1").attr("checked","checked");
$("#cb1").attr("checked",true);

jquery1.6: 4 types of assignment of prop:

Copy code The code is as follows:

$("#cb1").prop("checked",true); //It’s very simple so I won’t go into details
$("#cb1").prop({checked:true}); //map key-value pair

$("#cb1").prop("checked",function(){
Return true; //The function returns true or false
});

$("#cb1").prop("checked","checked");

More references: http://api.jquery.com/prop/

Copy code The code is as follows:

                                                                                                       

            

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