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Jensen's Device: Difference between revisions
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Line 434:
And another obvious variation here would be turning the expression into a named entity (if it has some lasting usefulness).
=={{header|JavaScript}}==▼
{{trans|C}}▼
Uses an object ''o'' instead of integer pointer ''i'', as the C example does.▼
<lang javascript>var obj;▼
function sum(o, lo, hi, term) {▼
var tmp = 0;▼
for (o.val = lo; o.val <= hi; o.val++)▼
tmp += term();▼
return tmp;▼
}▼
obj = {val: 0};▼
alert(sum(obj, 1, 100, function() {return 1 / obj.val}));</lang>▼
The alert shows us '5.187377517639621'.▼
=={{header|Java}}==
Line 470 ⟶ 452:
</lang>
The program prints '5.17737751763962'.
▲=={{header|JavaScript}}==
▲{{trans|C}}
▲Uses an object ''o'' instead of integer pointer ''i'', as the C example does.
▲<lang javascript>var obj;
▲function sum(o, lo, hi, term) {
▲ var tmp = 0;
▲ for (o.val = lo; o.val <= hi; o.val++)
▲ tmp += term();
▲ return tmp;
▲}
▲obj = {val: 0};
▲alert(sum(obj, 1, 100, function() {return 1 / obj.val}));</lang>
▲The alert shows us '5.187377517639621'.
=={{header|Joy}}==
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