1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
jQuery.support = (function() {
var support, all, a, select, opt, input, fragment, eventName, isSupported, i,
div = document.createElement("div");
// Setup
div.setAttribute( "className", "t" );
div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
// Support tests won't run in some limited or non-browser environments
all = div.getElementsByTagName("*");
a = div.getElementsByTagName("a")[ 0 ];
if ( !all || !a || !all.length ) {
return {};
}
// First batch of tests
select = document.createElement("select");
opt = select.appendChild( document.createElement("option") );
input = div.getElementsByTagName("input")[ 0 ];
a.style.cssText = "top:1px;float:left;opacity:.5";
support = {
// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
getSetAttribute: div.className !== "t",
// IE strips leading whitespace when .innerHTML is used
leadingWhitespace: div.firstChild.nodeType === 3,
// Make sure that tbody elements aren't automatically inserted
// IE will insert them into empty tables
tbody: !div.getElementsByTagName("tbody").length,
// Make sure that link elements get serialized correctly by innerHTML
// This requires a wrapper element in IE
htmlSerialize: !!div.getElementsByTagName("link").length,
// Get the style information from getAttribute
// (IE uses .cssText instead)
style: /top/.test( a.getAttribute("style") ),
// Make sure that URLs aren't manipulated
// (IE normalizes it by default)
hrefNormalized: a.getAttribute("href") === "/a",
// Make sure that element opacity exists
// (IE uses filter instead)
// Use a regex to work around a WebKit issue. See #5145
opacity: /^0.5/.test( a.style.opacity ),
// Verify style float existence
// (IE uses styleFloat instead of cssFloat)
cssFloat: !!a.style.cssFloat,
// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
checkOn: !!input.value,
// Make sure that a selected-by-default option has a working selected property.
// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
optSelected: opt.selected,
// Tests for enctype support on a form (#6743)
enctype: !!document.createElement("form").enctype,
// Makes sure cloning an html5 element does not cause problems
// Where outerHTML is undefined, this still works
html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",
// jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
boxModel: document.compatMode === "CSS1Compat",
// Will be defined later
deleteExpando: true,
noCloneEvent: true,
inlineBlockNeedsLayout: false,
shrinkWrapBlocks: false,
reliableMarginRight: true,
boxSizingReliable: true,
pixelPosition: false
};
// Make sure checked status is properly cloned
input.checked = true;
support.noCloneChecked = input.cloneNode( true ).checked;
// Make sure that the options inside disabled selects aren't marked as disabled
// (WebKit marks them as disabled)
select.disabled = true;
support.optDisabled = !opt.disabled;
// Support: IE<9
try {
delete div.test;
} catch( e ) {
support.deleteExpando = false;
}
// Check if we can trust getAttribute("value")
input = document.createElement("input");
input.setAttribute( "value", "" );
support.input = input.getAttribute( "value" ) === "";
// Check if an input maintains its value after becoming a radio
input.value = "t";
input.setAttribute( "type", "radio" );
support.radioValue = input.value === "t";
// #11217 - WebKit loses check when the name is after the checked attribute
input.setAttribute( "checked", "t" );
input.setAttribute( "name", "t" );
fragment = document.createDocumentFragment();
fragment.appendChild( input );
// Check if a disconnected checkbox will retain its checked
// value of true after appended to the DOM (IE6/7)
support.appendChecked = input.checked;
// WebKit doesn't clone checked state correctly in fragments
support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE<9
// Opera does not clone events (and typeof div.attachEvent === undefined).
// IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
if ( div.attachEvent ) {
div.attachEvent( "onclick", function() {
support.noCloneEvent = false;
});
div.cloneNode( true ).click();
}
// Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
for ( i in { submit: true, change: true, focusin: true }) {
div.setAttribute( eventName = "on" + i, "t" );
support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
}
// Run tests that need a body at doc ready
jQuery(function() {
var container, marginDiv, tds,
divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
body = document.getElementsByTagName("body")[0];
if ( !body ) {
// Return for frameset docs that don't have a body
return;
}
container = document.createElement("div");
container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
body.appendChild( container ).appendChild( div );
// Support: IE8
// Check if table cells still have offsetWidth/Height when they are set
// to display:none and there are still other visible table cells in a
// table row; if so, offsetWidth/Height are not reliable for use when
// determining if an element has been hidden directly using
// display:none (it is still safe to use offsets if a parent element is
// hidden; don safety goggles and see bug #4512 for more information).
div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
tds = div.getElementsByTagName("td");
tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
isSupported = ( tds[ 0 ].offsetHeight === 0 );
tds[ 0 ].style.display = "";
tds[ 1 ].style.display = "none";
// Support: IE8
// Check if empty table cells still have offsetWidth/Height
support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
// Check box-sizing and margin behavior
div.innerHTML = "";
div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
support.boxSizing = ( div.offsetWidth === 4 );
support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );
// Use window.getComputedStyle because jsdom on node.js will break without it.
if ( window.getComputedStyle ) {
support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
// Check if div with explicit width and no margin-right incorrectly
// gets computed margin-right based on width of container. (#3333)
// Fails in WebKit before Feb 2011 nightlies
// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
marginDiv = div.appendChild( document.createElement("div") );
marginDiv.style.cssText = div.style.cssText = divReset;
marginDiv.style.marginRight = marginDiv.style.width = "0";
div.style.width = "1px";
support.reliableMarginRight =
!parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
}
if ( typeof div.style.zoom !== "undefined" ) {
// Support: IE<8
// Check if natively block-level elements act like inline-block
// elements when setting their display to 'inline' and giving
// them layout
div.innerHTML = "";
div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
// Support: IE6
// Check if elements with layout shrink-wrap their children
div.style.display = "block";
div.innerHTML = "<div></div>";
div.firstChild.style.width = "5px";
support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
// Prevent IE 6 from affecting layout for positioned elements #11048
// Prevent IE from shrinking the body in IE 7 mode #12869
body.style.zoom = 1;
}
body.removeChild( container );
// Null elements to avoid leaks in IE
container = div = tds = marginDiv = null;
});
// Null elements to avoid leaks in IE
all = select = fragment = opt = a = input = null;
return support;
})();
|
