31 lines
671 B
JavaScript
31 lines
671 B
JavaScript
// optimisation
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function foo() {
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foo.apply(undefined, arguments);
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} // deoptimisation
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function foo(a) {
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for (var _len = arguments.length, b = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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b[_key - 1] = arguments[_key];
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}
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foo.apply(undefined, b);
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}
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function foo() {
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for (var _len2 = arguments.length, b = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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b[_key2] = arguments[_key2];
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}
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foo.apply(undefined, [1].concat(b));
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}
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function foo() {
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for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
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args[_key3] = arguments[_key3];
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}
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args.pop();
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foo.apply(undefined, args);
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}
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