26 lines
391 B
Markdown
26 lines
391 B
Markdown
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```js run
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var menu = {
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width: 200,
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height: 300,
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title: "My menu"
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};
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function isNumeric(n) {
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return !isNaN(parseFloat(n)) && isFinite(n);
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}
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function multiplyNumeric(obj) {
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for (var key in obj) {
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if (isNumeric(obj[key])) {
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obj[key] *= 2;
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}
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}
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}
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multiplyNumeric(menu);
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alert( "menu width=" + menu.width + " height=" + menu.height + " title=" + menu.title );
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```
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