How to change the abbreviated js, to normal writing?

e.keyCode === 13 && !e.shiftKey && e.preventDefault();

see an abbreviated js

on the network.

but I can"t understand it all the time. I just know that it seems to be the abbreviation of if else

.

if you change him back to the normal way of writing, what should he look like?

Javascript
Mar.07,2021 
if (e.keyCode === 13 && !e.shiftKey) {
   e.preventDefault();
}
  
 is not an abbreviation. 
 in fact, the writing on the first floor is more in line with the author's expectations. 
 aquarterb 
 return true 
 if all of a _ r _ b are true, but his calculation rule is 
 if an is true, it will determine whether b is true 
 if an is true, return false directly instead of judging whether b is true 
 this is a short circuit

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