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14 lines
872 B
TypeScript
14 lines
872 B
TypeScript
// @dynamic
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// The island-backed globals: parseFloat, parseInt (explicit radix), isNaN,
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// isFinite — the engine's own globals execute and the result exits to the
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// declared static type.
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console.log(parseFloat("3.14abc"), parseFloat(" 42 "), parseFloat("abc"), parseFloat(".5"));
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console.log(parseFloat("1e3"), parseFloat("-2.5e-2"), parseFloat("Infinity"), parseFloat(""));
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console.log(parseInt("ff", 16), parseInt("0x1A", 16), parseInt("101", 2), parseInt("42abc", 10));
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console.log(parseInt("abc", 10), parseInt("777", 8), parseInt("z", 36), parseInt("-15", 10));
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console.log(isNaN(0 / 0), isNaN(1), isNaN(parseFloat("nope")));
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console.log(isFinite(1 / 0), isFinite(-1 / 0), isFinite(0), isFinite(0 / 0));
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// Results are static numbers/booleans, chainable through static code.
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const n = parseFloat("2.5") * parseInt("4", 10);
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console.log(n, isFinite(n) && n > 9);
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