en.javascript.info/1-js/4-data-structures/5-object-for-in/4-multiply-numeric/solution.md
2015-01-11 01:54:57 +03:00

27 lines
385 B
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);
```