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Fix #12685. Handle inconsistent opacity for ie < 9. Close gh-1005.

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This commit is contained in:
yiminghe
2012-10-22 11:40:37 +08:00
committed by Dave Methvin
parent bea5ecbba7
commit c78a3ba657
3 changed files with 23 additions and 4 deletions
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10
src/css.js
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@@ -1,6 +1,6 @@
var curCSS, iframe, iframeDoc,
ralpha = /alpha\([^)]*\)/i,
ropacity = /opacity=([^)]*)/,
ropacity = /opacity\s*=\s*([^)]*)/,
rposition = /^(top|right|bottom|left)$/,
// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
@@ -535,7 +535,9 @@ if ( !jQuery.support.opacity ) {
style.zoom = 1;
// if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
if ( value >= 1 && jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
// if value === "", then remove inline opacity #12685
if ( ( value >= 1 || value === "" ) &&
jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
style.removeAttribute ) {
// Setting style.filter to null, "" & " " still leave "filter:" in the cssText
@@ -543,8 +545,8 @@ if ( !jQuery.support.opacity ) {
// style.removeAttribute is IE Only, but so apparently is this code path...
style.removeAttribute( "filter" );
// if there there is no filter style applied in a css rule, we are done
if ( currentStyle && !currentStyle.filter ) {
// if there is no filter style applied in a css rule or unset inline opacity, we are done
if ( value === "" || currentStyle && !currentStyle.filter ) {
return;
}
}