11 lines
271 B
JavaScript
11 lines
271 B
JavaScript
// Converts any value to a boolean, like the spec's ToBoolean
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function Boolean(x) {
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return !!x;
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}
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// In these methods `this` is the primitive boolean itself
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Boolean.prototype = {
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toString() { return this ? "true" : "false"; },
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valueOf() { return this; },
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};
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