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No ticket: reduce support.js

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Richard Gibson 2013-02-25 15:33:13 -05:00
parent 6256c614fd
commit 972de58990
1 changed files with 17 additions and 19 deletions
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36
src/support.js
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@ -1,14 +1,13 @@
jQuery.support = (function() {
jQuery.support = (function( support ) {
var support, a, select, opt, input, fragment,
var a, select, opt, input, fragment,
div = document.createElement("div");
// Finish early in limited (non-browser) environments
div.innerHTML = "<a>a</a><input type='checkbox'/>";
// Support tests won't run in some limited or non-browser environments
a = div.getElementsByTagName("a")[ 0 ];
if ( !a ) {
return {};
return support;
}
// First batch of tests
@ -17,22 +16,21 @@ jQuery.support = (function() {
input = div.getElementsByTagName("input")[ 0 ];
a.style.cssText = "float:left;opacity:.5";
support = {
// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
checkOn: !!input.value,
// Must access the parent to make an option select properly
// Support: IE9, IE10
optSelected: opt.selected,
// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
support.checkOn = !!input.value;
// jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
boxModel: document.compatMode === "CSS1Compat",
// Must access the parent to make an option select properly
// Support: IE9, IE10
support.optSelected = opt.selected;
// Will be defined later
reliableMarginRight: true,
boxSizingReliable: true,
pixelPosition: false
};
// jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
support.boxModel = document.compatMode === "CSS1Compat";
// Will be defined later
support.reliableMarginRight = true;
support.boxSizingReliable = true;
support.pixelPosition = false;
// Make sure checked status is properly cloned
input.checked = true;
@ -117,5 +115,5 @@ jQuery.support = (function() {
select = fragment = opt = a = input = null;
return support;
})();
})({});