Difference between revisions of "Template:Tsinghua-A/JS/fixed"
(Created page with "$(function () { var ie6 = /msie 6/i.test(navigator.userAgent) , dv = $('#fh5co-header-section'), st; dv.attr('otop', dv.offset().top); //存储原来...") |
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| Line 1: | Line 1: | ||
| + | <script> | ||
$(function () { | $(function () { | ||
var ie6 = /msie 6/i.test(navigator.userAgent) | var ie6 = /msie 6/i.test(navigator.userAgent) | ||
| Line 14: | Line 15: | ||
}); | }); | ||
// JavaScript Document | // JavaScript Document | ||
| + | </script> | ||
Revision as of 13:45, 8 October 2017
<script>
$(function () {
var ie6 = /msie 6/i.test(navigator.userAgent)
, dv = $('#fh5co-header-section'), st;
dv.attr('otop', dv.offset().top); //存储原来的距离顶部的距离
$(window).scroll(function () {
st = Math.max(document.body.scrollTop || document.documentElement.scrollTop);
if (st >= parseInt(dv.attr('otop'))) {
if (ie6) {//IE6不支持fixed属性，所以只能靠设置position为absolute和top实现此效果
dv.css({ position: 'absolute', top: st });
}
else if (dv.css('position') != 'fixed') dv.css({ 'position': 'fixed', top: 0 });
} else if (dv.css('position') != 'static') dv.css({ 'position': 'static' });
});
});
// JavaScript Document
</script>
