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IDL: Difference between revisions
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(Created page with "== sequence vs [] == * When an method returns a sequence it always returns a new JavaScript Array. * When a method returns a [] it either returns a new copy or the same. ** T...") |
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== sequence | == sequence == | ||
* As return value always returns a new JavaScript Array. | |||
* Better than [] for methods and dictionaries taking arrays. | |||
== [] == | |||
* When a method returns a [] it either returns a new copy or the same. | * When a method returns a [] it either returns a new copy or the same. | ||
** The returned object is not a JavaScript Array. | ** The returned object is not a JavaScript Array. | ||
Revision as of 19:10, 10 July 2013
sequence
- As return value always returns a new JavaScript Array.
- Better than [] for methods and dictionaries taking arrays.
[]
- When a method returns a [] it either returns a new copy or the same.
- The returned object is not a JavaScript Array.
- If the returned object is declared readonly it can still be manipulated by the browser, unlike a frozen JavaScript Array.
- In general this is probably better avoided. There's a desire expressed to kill [].