添加shiv让所有现代浏览器都支持 HTML5 语义元素 html5.js让IE(包括IE6)支持HTML5元素方法

引用Google的html5.js文件

<!--[if IE]>
<script src=”http://html5shiv.googlecode.com/svn/trunk/html5.js”></script>
< ![endif]-->

将上代码复制到head部分,记住一定要是head部分(因为IE必须在元素解析前知道这个元素,所以这个js文件不能在其他位置调用,否则失效)

当然,你也可以把代码拿出来自己看着办:html5.js

/*
HTML5 Shiv v3.6.2pre | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
Uncompressed source: https://github.com/aFarkas/html5shiv
*/
(function(l, f) {
function m() {
var a = e.elements;
return "string" == typeof a ? a.split(" ") : a
} function i(a) {
var b = n[a[o]];
b || (b = {}, h++, a[o] = h, n[h] = b);
return b
} function p(a, b, c) {
b || (b = f);
if (g) return b.createElement(a);
c || (c = i(b));
b = c.cache[a] ? c.cache[a].cloneNode() : r.test(a) ? (c.cache[a] = c.createElem(a)).cloneNode() : c.createElem(a);
return b.canHaveChildren && !s.test(a) ? c.frag.appendChild(b) : b
} function t(a, b) {
if (!b.cache) b.cache = {}, b.createElem = a.createElement, b.createFrag = a.createDocumentFragment, b.frag = b.createFrag();
a.createElement = function(c) {
return !e.shivMethods ? b.createElem(c) : p(c, a, b)
};
a.createDocumentFragment = Function("h,f", "return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&(" + m().join().replace(/\w+/g, function(a) {
b.createElem(a);
b.frag.createElement(a);
return 'c("' + a + '")'
}) + ");return n}")(e, b.frag)
} function q(a) {
a || (a = f);
var b = i(a);
if (e.shivCSS && !j && !b.hasCSS) {
var c, d = a;
c = d.createElement("p");
d = d.getElementsByTagName("head")[0] || d.documentElement;
c.innerHTML = "x<style>article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}</style>";
c = d.insertBefore(c.lastChild, d.firstChild);
b.hasCSS = !! c
}
g || t(a, b);
return a
}
var k = l.html5 || {}, s = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,
r = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,
j, o = "_html5shiv",
h = 0,
n = {}, g;
(function() {
try {
var a = f.createElement("a");
a.innerHTML = "<xyz></xyz>";
j = "hidden" in a;
var b;
if (!(b = 1 == a.childNodes.length)) {
f.createElement("a");
var c = f.createDocumentFragment();
b = "undefined" == typeof c.cloneNode ||
"undefined" == typeof c.createDocumentFragment || "undefined" == typeof c.createElement
}
g = b
} catch (d) {
g = j = !0
}
})();
var e = {
elements: k.elements || "abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup main mark meter nav output progress section summary time video",
version: "3.6.2pre",
shivCSS: !1 !== k.shivCSS,
supportsUnknownElements: g,
shivMethods: !1 !== k.shivMethods,
type: "default",
shivDocument: q,
createElement: p,
createDocumentFragment: function(a, b) {
a || (a = f);
if (g) return a.createDocumentFragment();
for (var b = b || i(a), c = b.frag.cloneNode(), d = 0, e = m(), h = e.length; d < h; d++) c.createElement(e[d]);
return c
}
};
l.html5 = e;
q(f)
})(this, document);

最后在css里面加上这段:

/*html5*/
article,aside,dialog,footer,header,section,footer,nav,figure,menu{display:block}
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