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https://github.com/swc-project/swc.git
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f44e25c3af
swc_common: - Add `Span.has_mark`. swc_ecma_codegen: - Emit `1e3` for `1000`. - Optimize output. (#1986) swc_ecma_minifier: - name mangler: Don't use keywords as an id. - `properties`: Optimize member expression with string properties. - `inline`: Inline some function expressions even if it's not fn-local. - `analyzer`: Track reassignment correctly. - `analyzer`: Track fn-local correctly. - `sequences`: Inject `void` if required. - `inline`: Inline function declarations correctly. - `sequences`: Merge expressions into test of if statements. - `sequences`: Reduce calls to an assigned variable. - Use `Marks` instead of `&dyn Comments`. swc_ecma_transforms_optimization: - `expr_simplifier`: Fix infinite loops. node/swc: - Ensure that `.transform` performs minification. (#1989)
240 lines
9.6 KiB
JavaScript
240 lines
9.6 KiB
JavaScript
jQuery.support = (function () {
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var support, all, a,
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input, select, fragment,
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opt, eventName, isSupported, i,
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div = document.createElement("div");
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// Setup
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div.setAttribute("className", "t");
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div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
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// Support tests won't run in some limited or non-browser environments
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all = div.getElementsByTagName("*");
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a = div.getElementsByTagName("a")[0];
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if (!all || !a || !all.length) {
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return {};
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}
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// First batch of tests
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select = document.createElement("select");
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opt = select.appendChild(document.createElement("option"));
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input = div.getElementsByTagName("input")[0];
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a.style.cssText = "top:1px;float:left;opacity:.5";
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support = {
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// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
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getSetAttribute: div.className !== "t",
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// IE strips leading whitespace when .innerHTML is used
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leadingWhitespace: div.firstChild.nodeType === 3,
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// Make sure that tbody elements aren't automatically inserted
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// IE will insert them into empty tables
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tbody: !div.getElementsByTagName("tbody").length,
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// Make sure that link elements get serialized correctly by innerHTML
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// This requires a wrapper element in IE
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htmlSerialize: !!div.getElementsByTagName("link").length,
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// Get the style information from getAttribute
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// (IE uses .cssText instead)
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style: /top/.test(a.getAttribute("style")),
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// Make sure that URLs aren't manipulated
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// (IE normalizes it by default)
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hrefNormalized: a.getAttribute("href") === "/a",
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// Make sure that element opacity exists
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// (IE uses filter instead)
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// Use a regex to work around a WebKit issue. See #5145
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opacity: /^0.5/.test(a.style.opacity),
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// Verify style float existence
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// (IE uses styleFloat instead of cssFloat)
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cssFloat: !!a.style.cssFloat,
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// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
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checkOn: !!input.value,
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// Make sure that a selected-by-default option has a working selected property.
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// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
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optSelected: opt.selected,
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// Tests for enctype support on a form (#6743)
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enctype: !!document.createElement("form").enctype,
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// Makes sure cloning an html5 element does not cause problems
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// Where outerHTML is undefined, this still works
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html5Clone: document.createElement("nav").cloneNode(true).outerHTML !== "<:nav></:nav>",
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// jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
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boxModel: document.compatMode === "CSS1Compat",
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// Will be defined later
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deleteExpando: true,
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noCloneEvent: true,
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inlineBlockNeedsLayout: false,
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shrinkWrapBlocks: false,
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reliableMarginRight: true,
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boxSizingReliable: true,
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pixelPosition: false
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};
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// Make sure checked status is properly cloned
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input.checked = true;
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support.noCloneChecked = input.cloneNode(true).checked;
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// Make sure that the options inside disabled selects aren't marked as disabled
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// (WebKit marks them as disabled)
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select.disabled = true;
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support.optDisabled = !opt.disabled;
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// Support: IE<9
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try {
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delete div.test;
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} catch (e) {
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support.deleteExpando = false;
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}
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// Check if we can trust getAttribute("value")
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input = document.createElement("input");
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input.setAttribute("value", "");
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support.input = input.getAttribute("value") === "";
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// Check if an input maintains its value after becoming a radio
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input.value = "t";
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input.setAttribute("type", "radio");
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support.radioValue = input.value === "t";
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// #11217 - WebKit loses check when the name is after the checked attribute
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input.setAttribute("checked", "t");
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input.setAttribute("name", "t");
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fragment = document.createDocumentFragment();
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fragment.appendChild(input);
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// Check if a disconnected checkbox will retain its checked
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// value of true after appended to the DOM (IE6/7)
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support.appendChecked = input.checked;
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// WebKit doesn't clone checked state correctly in fragments
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support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked;
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// Support: IE<9
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// Opera does not clone events (and typeof div.attachEvent === undefined).
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// IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
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if (div.attachEvent) {
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div.attachEvent("onclick", function () {
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support.noCloneEvent = false;
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});
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div.cloneNode(true).click();
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}
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// Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
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// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
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for (i in { submit: true, change: true, focusin: true }) {
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div.setAttribute(eventName = "on" + i, "t");
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support[i + "Bubbles"] = eventName in window || div.attributes[eventName].expando === false;
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}
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div.style.backgroundClip = "content-box";
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div.cloneNode(true).style.backgroundClip = "";
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support.clearCloneStyle = div.style.backgroundClip === "content-box";
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// Run tests that need a body at doc ready
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jQuery(function () {
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var container, marginDiv, tds,
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divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
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body = document.getElementsByTagName("body")[0];
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if (!body) {
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// Return for frameset docs that don't have a body
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return;
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}
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container = document.createElement("div");
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container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
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body.appendChild(container).appendChild(div);
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// Support: IE8
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// Check if table cells still have offsetWidth/Height when they are set
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// to display:none and there are still other visible table cells in a
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// table row; if so, offsetWidth/Height are not reliable for use when
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// determining if an element has been hidden directly using
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// display:none (it is still safe to use offsets if a parent element is
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// hidden; don safety goggles and see bug #4512 for more information).
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div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
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tds = div.getElementsByTagName("td");
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tds[0].style.cssText = "padding:0;margin:0;border:0;display:none";
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isSupported = (tds[0].offsetHeight === 0);
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tds[0].style.display = "";
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tds[1].style.display = "none";
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// Support: IE8
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// Check if empty table cells still have offsetWidth/Height
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support.reliableHiddenOffsets = isSupported && (tds[0].offsetHeight === 0);
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// Check box-sizing and margin behavior
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div.innerHTML = "";
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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%;";
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support.boxSizing = (div.offsetWidth === 4);
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support.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== 1);
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// Use window.getComputedStyle because jsdom on node.js will break without it.
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if (window.getComputedStyle) {
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support.pixelPosition = (window.getComputedStyle(div, null) || {}).top !== "1%";
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support.boxSizingReliable = (window.getComputedStyle(div, null) || { width: "4px" }).width === "4px";
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// Check if div with explicit width and no margin-right incorrectly
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// gets computed margin-right based on width of container. (#3333)
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// Fails in WebKit before Feb 2011 nightlies
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// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
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marginDiv = div.appendChild(document.createElement("div"));
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marginDiv.style.cssText = div.style.cssText = divReset;
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marginDiv.style.marginRight = marginDiv.style.width = "0";
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div.style.width = "1px";
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support.reliableMarginRight =
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!parseFloat((window.getComputedStyle(marginDiv, null) || {}).marginRight);
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}
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if (typeof div.style.zoom !== core_strundefined) {
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// Support: IE<8
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// Check if natively block-level elements act like inline-block
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// elements when setting their display to 'inline' and giving
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// them layout
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div.innerHTML = "";
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div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
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support.inlineBlockNeedsLayout = (div.offsetWidth === 3);
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// Support: IE6
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// Check if elements with layout shrink-wrap their children
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div.style.display = "block";
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div.innerHTML = "<div></div>";
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div.firstChild.style.width = "5px";
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support.shrinkWrapBlocks = (div.offsetWidth !== 3);
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if (support.inlineBlockNeedsLayout) {
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// Prevent IE 6 from affecting layout for positioned elements #11048
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// Prevent IE from shrinking the body in IE 7 mode #12869
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// Support: IE<8
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body.style.zoom = 1;
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}
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}
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body.removeChild(container);
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// Null elements to avoid leaks in IE
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container = div = tds = marginDiv = null;
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});
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// Null elements to avoid leaks in IE
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all = select = fragment = opt = a = input = null;
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return support;
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})(); |