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Improve type checking in ol.canvas.SUPPORTED

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This commit is contained in:
Tom Payne
2013-12-13 15:51:57 +01:00
parent 8f6952c56c
commit b39ae367e7
1 changed files with 16 additions and 12 deletions
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src/ol/canvas/canvas.js
+6 -2
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@@ -9,7 +9,11 @@ goog.require('goog.dom.TagName');
* @const * @const
* @type {boolean} * @type {boolean}
*/ */
ol.canvas.SUPPORTED = (function() { ol.canvas.SUPPORTED = (
/**
* @return {boolean} Canvas supported.
*/
function() {
if (!('HTMLCanvasElement' in goog.global)) { if (!('HTMLCanvasElement' in goog.global)) {
return false; return false;
} }
@@ -20,4 +24,4 @@ ol.canvas.SUPPORTED = (function() {
} catch (e) { } catch (e) {
return false; return false;
} }
})(); })();