JS实现的点击表头排序功能示例
这篇文章主要介绍了JS实现的点击表头排序功能,可实现针对表格中的字母、数字、日期等格式进行排序的功能,涉及javascript针对页面table元素的获取及字符串、数字等排序操作相关技巧,需要的朋友可以参考下
本文实例讲述了JS实现的点击表头排序功能。分享给大家供大家参考，具体如下：
运行效果：
<文件：
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"TR/xhtml1/DTD/xhtml1-strict.dtd"
html
head
点击表头排序 /title
meta http-equiv="Content-Type" content="text/html; charset=utf-8" /
script type="text/javascript" src="tablesort.js" /script
link type="text/css" rel="StyleSheet" href="tablesort.css" rel="external nofollow" /
style type="text/css"
body {
font-family: Verdana, Helvetica, Arial, Sans-Serif;
font: Message-Box;
code {
font-size: 1em;
/style
/head
body
table id="MyHeadTab" cellspacing="0"
thead
td String /td
td title="CaseInsensitiveString" String /td
td Number /td
td Date /td
td No Sort /td
/tr
/thead
tbody
td apple /td
td Strawberry /td
td 45 /td
td /td
td Item 0 /td
/tr
td Banana /td
td orange /td
td 7698 /td
td /td
td Item 1 /td
/tr
td orange /td
td Banana /td
td 4546 /td
td /td
td Item 2 /td
/tr
td Strawberry /td
td apple /td
td 987 /td
td /td
td Item 3 /td
/tr
td Pear /td
td blueberry /td
td 98743 /td
td /td
td Item 4 /td
/tr
td blueberry /td
td Pear /td
td 4 /td
td /td
td Item 5 /td
/tr
/tbody
/table
/body
/html
2、tablesort.js文件：
var dom = (document.getElementsByTagName) true : false;
var ie5 = (document.getElementsByTagName document.all) true : false;
var arrowUp, arrowDown;
if (ie5 || dom)
initSortTable();
function initSortTable() {
arrowUp = document.createElement("SPAN");
var tn = document.createTextNode("5");
arrowUp.appendChild(tn);
arrowUp.className = "arrow";
arrowDown = document.createElement("SPAN");
var tn = document.createTextNode("6");
arrowDown.appendChild(tn);
arrowDown.className = "arrow";
function sortTable(tableNode, nCol, bDesc, sType) {
var tBody = tableNode.tBodies[0];
var trs = tBody.rows;
var trl= trs.length;
var a = new Array();
for (var i = 0; i trl; i++) {
a[i] = trs[i];
var start = new Date;
window.status = "Sorting data...";
pareByColumn(nCol,bDesc,sType));
window.status = "Sorting data done";
for (var i = 0; i trl; i++) {
tBody.appendChild(a[i]);
window.status = "Updating row " + (i + 1) + " of " + trl +
" (Time spent: " + (new Date - start) + "ms)";
// check for onsort
if (typeof tableNode.onsort == "string")
tableNode.onsort = new Function("", tableNode.onsort);
if (typeof tableNode.onsort == "function")
tableNode.onsort();
function CaseInsensitiveString(s) {
return String(s).toUpperCase();
function parseDate(s) {
return Date.parse(s.replace(/\/-/g, '/'));
/* alternative to number function
* This one is slower but can handle non numerical characters in
* the string allow strings like the follow (as well as a lot more)
* to be used:
* "1,000,000"
* "1 000 000"
* "100cm"
function toNumber(s) {
return Number(s.replace(/[^0-9/.]/g, ""));
pareByColumn(nCol, bDescending, sType) {
var c = nCol;
var d = bDescending;
var fTypeCast = String;
if (sType == "Number")
fTypeCast = Number;
else if (sType == "Date")
fTypeCast = parseDate;
else if (sType == "CaseInsensitiveString")
fTypeCast = CaseInsensitiveString;
return function (n1, n2) {
if (fTypeCast(getInnerText(n1.cells[c])) fTypeCast(getInnerText(n2.cells[c])))
return d -1 : +1;
if (fTypeCast(getInnerText(n1.cells[c])) fTypeCast(getInnerText(n2.cells[c])))
return d +1 : -1;
return 0;
function sortColumnWithHold(e) {
// find table element
var el = ie5 e.srcElement : e.target;
var table = getParent(el, "TABLE");
// backup old cursor and onclick
var oldCursor = table.style.cursor;
var oldClick = table.onclick;
// change cursor and onclick
table.style.cursor = "wait";
table.onclick = null;
// the event object is destroyed after this thread but we only need
// the srcElement and/or the target
var fakeEvent = {srcElement : e.srcElement, target : e.target};
// call sortColumn in a new thread to allow the ui thread to be updated
// with the cursor/onclick
window.setTimeout(function () {
sortColumn(fakeEvent);
// once done resore cursor and onclick
table.style.cursor = oldCursor;
table.onclick = oldClick;
}, 100);
function sortColumn(e) {
var tmp = e.target e.target : e.srcElement;
var tHeadParent = getParent(tmp, "THEAD");
var el = getParent(tmp, "TD");
if (tHeadParent == null)
return;
if (el != null) {
var p = el.parentNode;
var i;
// typecast to Boolean
el._descending = !Boolean(el._descending);
if (tHeadParent.arrow != null) {
if (tHeadParent.arrow.parentNode != el) {
tHeadParent.arrow.parentNode._descending = null; //reset sort order
tHeadParent.arrow.parentNode.removeChild(tHeadParent.arrow);
if (el._descending)
tHeadParent.arrow = arrowUp.cloneNode(true);
else
tHeadParent.arrow = arrowDown.cloneNode(true);
el.appendChild(tHeadParent.arrow);
// get the index of the td
var cells = p.cells;
var l = cells.length;
for (i = 0; i i++) {
if (cells[i] == el) break;
var table = getParent(el, "TABLE");
// can't fail
sortTable(table,i,el._descending, el.getAttribute("type"));
function getInnerText(el) {
if (ie5) return el.innerText; //Not needed but it is faster
var str = "";
var cs = el.childNodes;
var l = cs.length;
for (var i = 0; i i++) {
switch (cs[i].nodeType) {
case 1: //ELEMENT_NODE
str += getInnerText(cs[i]);
break;
case 3: //TEXT_NODE
str += cs[i].nodeValue;
break;
return str;
function getParent(el, pTagName) {
if (el == null) return null;
else if (el.nodeType == 1 el.tagName.toLowerCase() == pTagName.toLowerCase()) // Gecko bug, supposed to be uppercase
return el;
else
return getParent(el.parentNode, pTagName);
3、tablesort.css文件：
tr {background: window;}
td {color: windowtext; font: menu; padding: 1px; padding-left: 5px; padding-right: 5px;
border-right: 1px solid buttonshadow;
border-bottom: 1px solid buttonshadow;
table {border-top: 1px solid buttonshadow;
border-left: 1px solid buttonshadow;
border-right: 1px solid buttonhighlight;
border-bottom: 1px solid buttonhighlight;
thead td {background: buttonface; font: menu; border: 1px outset white;
padding-top: 0; padding: bottom: 0;
border-top: 1px solid buttonhighlight;
border-left: 1px solid buttonhighlight;
border-right: 1px solid buttonshadow;
border-bottom: 1px solid buttonshadow;
height: 16px;
thead .arrow{font-family: webdings; color: black; padding: 0; font-size: 10px;
height: 11px; width: 10px; overflow: hidden;
margin-bottom: 5; margin-top: -3; padding: 0; padding-top: 0; padding-bottom: 2;}
/*nice vertical positioning :-) */
更多关于JavaScript相关内容感兴趣的读者可查看本站专题：《》、《》、《》、《》、《》、《》、《》、《》及《》
希望本文所述对大家JavaScript程序设计有所帮助。