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Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The Element.scrollIntoViewIfNeeded() method scrolls the current element into the visible area of the browser window if it's not already within the visible area of the browser window. If the element is already within the visible area of the browser window, then no scrolling takes place. This method is a proprietary variation of the standard Element.scrollIntoView() method.
Syntax
TODO
Parameters
opt_center- Is an optional
Booleanvalue with a default value oftrue:- If
true, the element will be aligned so it is centered within the visible area of the scrollable ancestor. - If
false, the element will be aligned to the nearest edge of the visible area of the scrollable ancestor. Depending on which edge of the visible area is closest to the element, either the top of the element will be aligned to the top edge of the visible area, or the bottom edge of the element will be aligned to the bottom edge of the visible area.
- If
Example
TODO
Specifications
Not part of any specification. This is a proprietary, WebKit-specific method.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Microsoft Edge | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | No support [1] | No support | No support | (Yes) | (Yes) |
| Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | (Yes) | No support [1] | ? | ? | (Yes) |
[1] bug 403510
See also
- W3C CSSOM bug 17152: Support centering an element when scrolling into view. (feature request for a standardized equivalent to
scrollIntoViewIfNeeded)