Check box selected by jQuery for statistics _ jquery

Here we will share with you a piece of code on the number of statistics check boxes selected by jQuery. This is very practical. Please take it away if you need it! The code is very brief, and the function is very simple, but it is very practical. Here I will not elaborate on the Code directly.

JQuery code:

The Code is as follows:

Function countNum (){
// Alert ($ ('input [name = check]: checked'). length );
Var arrays = new Array ();
Var items = document. getElementsByName ("check ");
For (var I = 0; I If (items [I]. checked ){
Arrays. push (items [I]. value );
}
}
Alert (arrays. length );
}

HTML code:

The Code is as follows:

If you have the same requirements in the project, refer to xiha. If you have a better way, contact me.