* cwflamont wrote:
>> timer = setInterval((angle = rotation(angle)), 150);
>> timer = setInterval(function(){
>> (angle = rotation(angle))
>> }, 150);
>Thanks very much Bjoern, that works perfectly (although I do not
>understand why it needs to be done that way):
Then let's assume rotate is defined like so:
function rotate(angle) { return 777; }
Then we can take
timer = setInterval((angle = rotation(angle)), 150);
and as first step evaluate the function call and get
timer = setInterval((angle = 777), 150);
The inner expression is evaluated before calling setInterval, and
assignment expressions evaluate to the assigned value, that's 777:
timer = setInterval(777, 150);
Parameter expressions are always evaluated before calling functions,
the script interpreter does not automatically create code references,
you have to do that yourself.
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Björn Höhrmann · mailto:[EMAIL PROTECTED] · http://bjoern.hoehrmann.de
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