14 lines
292 B
JavaScript
14 lines
292 B
JavaScript
var lstOut = ['', '', ''];
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[["a", "b", "c"], ["A", "B", "C"], ["1", "2", "3"]].forEach(
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function (a) {
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[0, 1, 2].forEach(
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function (i) {
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// side-effect on an array outside the function
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lstOut[i] += a[i];
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}
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);
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}
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);
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// lstOut --> ["aA1", "bB2", "cC3"]
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