这是我的选择框。我想知道我是否想在onchange事件中使用这个选择框,那么场景是什么,或者我在其上写的代码是什么。
<select class="sortable" id="sorter">
<option value="A-Z" class="asc">A-Z</option>
<option value="Z-A" class="desc">Z-A</option>
</select>
这是我的js文件。请告诉我希望我为此选择框调用onchange事件所做的更改。提前谢谢。
var table=function(){
function sorter(n){
this.n=n; this.t; this.b; this.r; this.d; this.p; this.w; this.a=[]; this.l=0
}
sorter.prototype.init=function(t,f){
this.t=document.getElementById(t);
this.b=this.t.getElementsByTagName('tbody')[0];
this.r=this.b.rows; var l=this.r.length;
for(var i=0;i<l;i++){
if(i==0){
var c=this.r[i].cells; this.w=c.length;
for(var x=0;x<this.w;x++){
if(c[x].className!='nosort'){
c[x].className='head';
c[x].onchange=new Function(this.n+'.work(this.cellIndex)')
}
}
}else{
this.a[i-1]={}; this.l++;
}
}
if(f!=null){
var a=new Function(this.n+'.work('+f+')'); a()
}
}
sorter.prototype.work=function(y){
this.b=this.t.getElementsByTagName('tbody')[0]; this.r=this.b.rows;
var x=this.r[0].cells[y],i;
for(i=0;i<this.l;i++){
this.a[i].o=i+1; var v=this.r[i+1].cells[y].firstChild;
this.a[i].value=(v!=null)?v.nodeValue:''
}
for(i=0;i<this.w;i++){
var c=this.r[0].cells[i];
if(c.className!='nosort'){c.className='head'}
}
if(this.p==y){
this.a.reverse(); x.className=(this.d)?'asc':'desc';
this.d=(this.d)?false:true
}else{
this.p=y; this.a.sort(compare); x.className='asc'; this.d=false
}
var n=document.createElement('tbody');
n.appendChild(this.r[0]);
for(i=0;i<this.l;i++){
var r=this.r[this.a[i].o-1].cloneNode(true);
n.appendChild(r); r.className=(i%2==0)?'even':'odd'
}
this.t.replaceChild(n,this.b)
}
function compare(f,c){
f=f.value,c=c.value;
var i=parseFloat(f.replace(/(\$|\,)/g,'')),n=parseFloat(c.replace(/(\$|\,)/g,''));
if(!isNaN(i)&&!isNaN(n)){f=i,c=n}
return (f>c?1:(f<c?-1:0))
}
return{sorter:sorter}
}();