In a web page with chechboxes you need to write e jquery that retruns the number checked checkboxes.（）A、var n = $（“input：checked”）.length；B、var n = $（“：input， ：checked”）.length；C、var n = $（“input：selected”）.length；D、var n = $（“：input， ：selected”）.length；
In a web page with chechboxes you need to write e jquery that retruns the number checked checkboxes.（）
- A、var n = $（“input：checked”）.length；
- B、var n = $（“：input， ：checked”）.length；
- C、var n = $（“input：selected”）.length；
- D、var n = $（“：input， ：selected”）.length；
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