javascript 計(jì)算日期相差的天數(shù)
摘要: var s1=new Date(dt.replace(/-/g, "/")); //日期格式為yyyy-mm-dd轉(zhuǎn)換成yyyy/mm/dd
var s2=new Date();
var time= s2.getTime() - s1.getTime();
var days = parseInt(time / (1000 * 60 * 60 * 24));
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獲取表格的行數(shù)和列數(shù)
摘要: var tab = document.getElementById("test") ;
//表格行數(shù)
var rows = tab.rows.length ;
//表格列數(shù)
var cells = tab.rows.item(0).cells.length ;
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