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23 lines
577 B
23 lines
577 B
name: duk_to_number
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proto: |
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duk_double_t duk_to_number(duk_context *ctx, duk_idx_t idx);
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stack: |
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[ ... val! ... ] -> [ ... ToNumber(val)! ... ]
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summary: |
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<p>Replace the value at <code>idx</code> with an Ecmascript
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<a href="http://www.ecma-international.org/ecma-262/5.1/#sec-9.3">ToNumber()</a>
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coerced value. Returns the coerced value. If <code>idx</code> is invalid, throws
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an error.</p>
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<div include="ref-custom-type-coercion.html" />
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example: |
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printf("coerced number: %lf\n", (double) duk_to_number(ctx, -3));
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tags:
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- stack
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introduced: 1.0.0
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