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Support: Skip style-based tests when element.style is undefined

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Fixes #14785
Ref #13754
Ref badcd1b6f3
This commit is contained in:
Richard Gibson 2014-02-13 14:51:57 -08:00
parent a0b19f7715
commit 81b89fd227
2 changed files with 16 additions and 8 deletions
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12
src/css/support.js
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@ -17,12 +17,16 @@ define([
div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
a = div.getElementsByTagName( "a" )[ 0 ];
// Finish early in limited (non-browser) environments
if ( !a || !a.style ) {
return;
}
a.style.cssText = "float:left;opacity:.5";
// Make sure that element opacity exists
// (IE uses filter instead)
// Use a regex to work around a WebKit issue. See #5145
support.opacity = /^0.5/.test( a.style.opacity );
// Support: IE<9
// Make sure that element opacity exists (as opposed to filter)
support.opacity = a.style.opacity === "0.5";
// Verify style float existence
// (IE uses styleFloat instead of cssFloat)

12
src/effects/support.js
View File

@ -15,12 +15,16 @@ define([
div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
a = div.getElementsByTagName( "a" )[ 0 ];
// Finish early in limited (non-browser) environments
if ( !a || !a.style ) {
return;
}
a.style.cssText = "float:left;opacity:.5";
// Make sure that element opacity exists
// (IE uses filter instead)
// Use a regex to work around a WebKit issue. See #5145
support.opacity = /^0.5/.test( a.style.opacity );
// Support: IE<9
// Make sure that element opacity exists (as opposed to filter)
support.opacity = a.style.opacity === "0.5";
// Verify style float existence
// (IE uses styleFloat instead of cssFloat)