JS获取并处理php数组的方法实例分析

$music=array();$music['tayler']=array();$music['walker']=array();$music['tayler'][]='ours';$music['tayler'][]='style';$music['tayler'][]='red';$music['walker'][]='all fall down';$music['walker'][]='faded';$str=json_encode($music);

<script type="text/javascript">  function changesinger(va,data){    var second = document.getElementById("second-data");    while(obj=second[0]){      obj.remove();    }    <!-- var data=eval(<?php echo json_encode($music);?>);  -->    <!-- var data=<?php echo $str;?>; -->    var data={$str};    for(var i=0;i<data[va].length;i++){      var opt=document.createElement("OPTION");      opt.text=data[va][i];      second.add(opt);    }  }</script>

var data=eval(<?php echo json_encode($music);?>);

var data=<?php echo $str;?>;

var data={$str};