javascript - Why does setTimeout(myFunction, 0) work, but running the function itself not work? -


This code should select the contents of a Texter, when the text is selected, however, it does not work by itself: 

  $ ("# form"). Focus (function () {$ ("# form"). Select ();});   
 It only give then a  setTimeout , such as:  
  $ ( "# Form "). Focus (function () {setTimeout (function () {$ ("#Format"). Select ();}, 0);});   
 Why is that so?  
  
 
 
 It looks like the first code, selecting the snippet, then deselecting the text I suspect that Text selection is being exposed after the event after the  focus  event is over, and after  setTimeout  select   (when behind Things have already happened).

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