123<meta charset= "Utf-8" >4<title> complete left shift right </title>5<script src= "Jquery.js" ></script>6<style type= "Text/css" >7table{background-color:purple;}8input{background-Color:blue;}9</style>Ten<script language= "JavaScript" > One$ ("document"). Ready (function(){ A$ ("#b1"). Click (function(){ - varv1=$ ("#k1"). Find ("option:selected")). text (); - if(v1!=NULL){ the$ ("#k2"). Append ("<option value=" > "+v1+" </option> "); -$ ("#k1 option:selected"). Remove () - } - }); + -$ ("#b2"). Click (function(){ + varv2=$ ("#k2"). Find ("option:selected")). text (); A if(v2!=NULL){ at$ ("#k1"). Append ("<option value=" > "+v2+" </option> "); -$ ("#k2 option:selected"). Remove (); - } - }); - }); -</script> in -<body> to<form action= "#" method= "POST" > +<table> -<tr> the<td> *<select id= "K1" size= "style=" width:200px; > $<option id= "P1" > Lemon College </option>Panax Notoginseng<option id= "P2" > Lemon students </option> -<option id= "P3" > Lemon man </option> the</select> +</td> A<td> the<input type= "button" Id= "B1" value= ">>"/> +<input type= "button" id= "B2" value= "<<"/> -</td> $<td> $<select id= "K2" size= "style=" width:200px; > -<option> Mfullyaware </option> -</select> the</td> -</tr>Wuyi</table> the</form> -</body> Wujquery moves left to right