en.javascript.info/1-js/4-data-structures/5-object-for-in/4-multiply-numeric/solution.md
2015-03-10 12:36:58 +03:00

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Markdown

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