16 lines
258 B
HTML
16 lines
258 B
HTML
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<script src="runtime-checker.js"></script>
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<script>
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function sum(a_number, b_number) {
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return a + b;
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}
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// I need to get rid of this
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sum = sum.addRuntimeChecker();
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var result = sum(1, 2);
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console.log(result); // 3
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sum("1", 2); // Error
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</script>
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