How to use 'javascript append list' in JavaScript

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function js_listappend( i, list )
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{
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    var item = Scope.items[i];
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    var htmlitem = '<tr id="'+i+'" onMouseOver="js_listover(this)" onMouseOut="js_listout()" class="strip" valign="top">'+
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'<td><div class="btnlist"><nobr><a href="" onclick="return Scope.listedit('+i+');" class="fabtn"><i class="fa fa-pencil fa-fw"></i></a>'+
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'<div class="btnover fabtn" onMouseOver="js_menuover( this );" onMouseOut="js_menuout( this );"><i class="fa fa-ellipsis-h fa-fw"></i>'+
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    '<div class="popover"><a href="" onclick="return Scope.listdup('+i+');"><i class="fa fa-copy fa-fw"></i>'+lng.duplicate +'</a>'+
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        '<a href=""  onclick="return Scope.listdel('+i+');"><i class="fa fa-trash-o fa-fw"></i>' + lng.del + '</a>'+
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    '</div>'+
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'</div></nobr>'+
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'</div><span class="idtext">'+item.id+'</span></td><td class="uptime'+ (enz.table.uptime ? '' : ' hidden') +'"><span class="idtext">'+moment( item._uptime ).format( enz.uptimefmt )+'</span></td><td><input type="checkbox" class="listcheck" name="ch[]" value="'+i+'"></td>';
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    for ( var k=0; k< Scope.collist.length; k++ )   
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    {
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        htmlitem += '<td class="'+Scope.collist[k].class+'">'+ item[Scope.collist[k].alias]+'</td>';
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    }
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    list.append( htmlitem );
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}