jquery Determines if checkbox is selected

In jquery:

$ ("input[type= ' checkbox ']"). Is (': Checked ') returns TRUE or False

1. attr () method sets or returns the value of an alternate element

attr (property name)//Get the value of the property

Attr (property name, property value)//Set the value of the property

$ ("#id]"). attr ("checked") JQ1.6 returns after checked or undefined (1.6 of the money returns TRUE or false)

$ ("input[type= ' checkbox ']"). attr ("chacked", true); Set the multi-marquee to full-checked status false to unchecked

2. Prop () method
$ ("input[type= ' checkbox ']"). Prop ("checked") returns TRUE or False

Also removeattr (property name), Removeprop (property name) Delete this property

Cases:

$ ("input[' Tupe=checkbox ')"). Removeattr ("checked"); Remove the selection of a multi-box

jquery Determines if checkbox is selected