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1 # iron-overlay-behavior | |
2 Makes an element an overlay with an optional backdrop. | |
3 | |
4 `iron-overlay-behavior` displays an element on top of other content. It starts o
ut hidden and is | |
5 displayed by calling `open()` or setting the `opened` property to `true`. It may
be closed by | |
6 calling `close()` or `cancel()`, or by setting the `opened` property to `true`. | |
7 | |
8 The difference between `close()` and `cancel()` is user intent. `close()` genera
lly implies that | |
9 the user acknowledged the content of the overlay. By default, it will cancel whe
never the user taps | |
10 outside it or presses the escape key. This behavior can be turned off via the `n
o-cancel-on-esc-key` | |
11 and the `no-cancel-on-outside-click` properties. | |
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