JS realizes the sorting function of HTML table
- 2021-07-09 06:52:20
- OfStack
In this paper, we share the JavaScript to achieve HTML table sorting function for your reference, the specific contents are as follows
HTML code:
<table cellpadding="0" id="table">
<tr class="top">
<td>click me</td>
<td>click me</td>
<td>click me</td>
<td>click me</td>
</tr>
<tr>
<td>
<span id="bfn_la_bac.usa">15.43</span>
</td>
<td class="red">700</td>
<td>1.220</td>
<td class="red"> Ah </td>
</tr>
<tr>
<td>
<span id="bfn_la_c.usa">7.05</span>
</td>
<td class="red">4</td>
<td>3,000</td>
<td class="red"> Bing </td>
</tr>
<tr>
<td>
<span id="bfn_la_jpm.usa">30.62</span>
</td>
<td class="red">30</td>
<td>2,558,800</td>
<td class="red"> And </td>
</tr>
<tr>
<td>
<span id="bfn_la_axp.usa">22.30</span>
</td>
<td class="red">5</td>
<td>6</td>
<td class="red"> Blind </td>
</tr>
<tr>
<td>
<span id="bfn_la_mrk.usa">26.31</span>
</td>
<td class="red">0.6</td>
<td>5</td>
<td class="red">-</td>
</tr>
<tr>
<td>
<span id="bfn_la_pg.usa">63.16</span>
</td>
<td class="red">7</td>
<td>4</td>
<td class="red"> Sub </td>
</tr>
</table>
JavaScirpt code:
var tableSort = function(){
this.initialize.apply(this,arguments);
}
tableSort.prototype = {
initialize : function(tableId,clickRow,startRow,endRow,classUp,classDown,selectClass){
this.Table = document.getElementById(tableId);
this.rows = this.Table.rows;// All rows
this.Tags = this.rows[clickRow-1].cells;// Label td
this.up = classUp;
this.down = classDown;
this.startRow = startRow;
this.selectClass = selectClass;
this.endRow = (endRow == 999? this.rows.length : endRow);
this.T2Arr = this._td2Array();// All affected td Adj. 2 Dimensional array
this.setShow();
},
// Set label switching
setShow:function(){
var defaultClass = this.Tags[0].className;
for(var Tag ,i=0;Tag = this.Tags[i];i++){
Tag.index = i;
addEventListener(Tag ,'click', Bind(Tag,statu));
}
var _this =this;
var turn = 0;
function statu(){
for(var i=0;i<_this.Tags.length;i++){
_this.Tags[i].className = defaultClass;
}
if(turn==0){
addClass(this,_this.down)
_this.startArray(0,this.index);
turn=1;
}else{
addClass(this,_this.up)
_this.startArray(1,this.index);
turn=0;
}
}
},
// Set the selected column style
colClassSet:function(num,cla){
// Gets the associated td
for(var i= (this.startRow-1);i<(this.endRow);i++){
for(var n=0;n<this.rows[i].cells.length;n++){
removeClass(this.rows[i].cells[n],cla);
}
addClass(this.rows[i].cells[num],cla);
}
},
// Start sorting num Sort by Column aord Reverse or sequential
startArray:function(aord,num){
var afterSort = this.sortMethod(this.T2Arr,aord,num);// Sorted 2 The dimension array is passed to the sorting method
this.array2Td(num,afterSort);// Output
},
// Converts the affected rows and columns to 2 Dimensional array
_td2Array:function(){
var arr=[];
for(var i=(this.startRow-1),l=0;i<(this.endRow);i++,l++){
arr[l]=[];
for(var n=0;n<this.rows[i].cells.length;n++){
arr[l].push(this.rows[i].cells[n].innerHTML);
}
}
return arr;
},
// According to the sorted 2 Dimension array to output the corresponding rows and columns innerHTML
array2Td:function(num,arr){
this.colClassSet(num,this.selectClass);
for(var i= (this.startRow-1),l=0;i<(this.endRow);i++,l++){
for(var n=0;n<this.Tags.length;n++){
this.rows[i].cells[n].innerHTML = arr[l][n];
}
}
},
// Pass in 1 A 2 Dimensional array, according to 2 In the subitems of the dimension array w Item sorting, and then returning the sorted 2 Dimensional array
sortMethod:function(arr,aord,w){
arr.sort(function(a,b){
x = killHTML(a[w]);
y = killHTML(b[w]);
x = x.replace(/,/g,'');
y = y.replace(/,/g,'');
switch (isNaN(x)){
case false:
return Number(x) - Number(y);
break;
case true:
return x.localeCompare(y);
break;
}
});
arr = aord==0?arr:arr.reverse();
return arr;
}
}
/*-----------------------------------*/
function addEventListener(o,type,fn){
if(o.attachEvent){
o.attachEvent('on'+type,fn);
}else if(o.addEventListener){
o.addEventListener(type,fn,false);
}else{
o['on'+type] = fn;
}
}
function hasClass(element, className) {
var reg = new RegExp('(\s|^)'+className+'(\s|$)');
return element.className.match(reg);
}
function addClass(element, className) {
if (!this.hasClass(element, className)) {
element.className += " "+className;
}
}
function removeClass(element, className) {
if (hasClass(element, className)) {
var reg = new RegExp('(\s|^)'+className+'(\s|$)');
element.className = element.className.replace(reg,' ');
}
}
var Bind = function(object, fun) {
return function() {
return fun.apply(object, arguments);
}
}
// Remove all html Mark
function killHTML(str){
return str.replace(/<[^>]+>/g,"");
}
//------------------------------------------------
//tableid Which line is the label line, which line starts to sort, and which line ends to sort (999 Indicates the last ) Ascending label style, descending label style Select Column Style
// Object of the label line class It should be 1 To
var ex1 = new tableSort('table',1,2,999,'up','down','hov');