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Anton Krekotun 2019-07-16 14:08:43 +03:00 • committed by GitHub
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@ -38,7 +38,7 @@ For example, let's consider the DOM object for an `<input>` element. It belongs
- `EventTarget` -- gives the support for events (to be covered),
- ...and finally it inherits from `Object`, so "pure object" methods like `hasOwnProperty` are also available.
To see the DOM node class name, we can recall that an object usually has the `constructor` property. It references to the class constructor, and `constructor.name` is its name:
To see the DOM node class name, we can recall that an object usually has the `constructor` property. It references the class constructor, and `constructor.name` is its name:
```js run
alert( document.body.constructor.name ); // HTMLBodyElement
@ -76,7 +76,7 @@ Try it on `document.body`.
```
````smart header="IDL in the spec"
In the specification, DOM classes are described not using JavaScript, but a special [Interface description language](https://en.wikipedia.org/wiki/Interface_description_language) (IDL), that is usually easy to understand.
In the specification, DOM classes aren't described by using JavaScript, but a special [Interface description language](https://en.wikipedia.org/wiki/Interface_description_language) (IDL), that is usually easy to understand.
In IDL all properties are prepended with their types. For instance, `DOMString`, `boolean` and so on.
@ -201,7 +201,7 @@ In XML mode the case is kept "as is". Nowadays XML mode is rarely used.
The [innerHTML](https://w3c.github.io/DOM-Parsing/#widl-Element-innerHTML) property allows to get the HTML inside the element as a string.
We can also modify it. So it's one of most powerful ways to change the page.
We can also modify it. So it's one of the most powerful ways to change the page.
The example shows the contents of `document.body` and then replaces it completely: