jQuery getting sum with keypress always one step behind

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I am trying to create an calculator in which I want add/sum on every key press I make like this:

$('#padd').keypress(function(){

    var points = parseInt($(this).val());

    console.log("Points: "+(points+parseInt(ypoints)));

}); 

My issue is that it seems like "points" always is one step behind. Lets say that my "ypoints" is 200 and I type in first 1, the console.log says "NaN"? If I then type in a "10" the console.log says "201" while in fact it should say "210"?!? If I then add an "100" in the add field it says "210" but it should say "300". Always one keypress behind?!?

What am I missing here or is this not the correct way to do this?

Any help is appreciated and thanks in advance :-)

asked 33 secs ago

Mansa

477

jQuery getting sum with keypress always one step behind