diff options
| -rw-r--r-- | src/css/support.js | 12 | ||||
| -rw-r--r-- | src/effects/support.js | 12 |
2 files changed, 16 insertions, 8 deletions
diff --git a/src/css/support.js b/src/css/support.js index da9ee34f1..2b525ebf6 100644 --- a/src/css/support.js +++ b/src/css/support.js @@ -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) diff --git a/src/effects/support.js b/src/effects/support.js index 85b77c9cc..1faf1110f 100644 --- a/src/effects/support.js +++ b/src/effects/support.js @@ -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) |