javascript - Enable button when checkboxes selected -

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I have more than one checkbox and a submit button that is initially disabled. When checking a box, the button is enabled and when unchecked, the button is again disabled.

If multiple checkboxes are selected but uncheck one, then the button is disabled even if I have selected other checkboxes. How can I fix this problem? 

  & lt; Script type = "text / javascript" & gt; $ (Function () {$ ("checkbox"). (Function () {$ ("delete."). Et ("disabled",! This.checked);});}); & Lt; / Script & gt;   
 HTML  
  & lt; Input type = "checkbox" name = "msg []" value = "32" square = "checkbox" /> & Lt; Input type = "checkbox" name = "msg []" value = "44" class = "checkbox" /> & Lt; Input type = "checkbox" name = "msg []" value = "26" square = "checkbox" /> & Lt; Button type = "submit" class = "delete" disabled = "disabled" & gt; Remove & lt; / Button & gt;    
 
 
  $ (function () {$ (". ('' Disabled '', '$' ('input.checkbox: checked'). Length == 0);});}) Click on (function () ($. '  
 Demo:

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