<!DOCTYPE html><html><style>span .span1{display:none;}span .span2{display:none;}span .span3{display:none;}</style><script>window.onload=function (){var biaoji=document.getElementsByName('biaoji');var span=document.getElementsByTagName('span');var p1=document.getElementsByName('p1');var p2=document.getElementsByName('p2');var p3=document.getElementsByName('p3');var i;for(i=0;i<biaoji.length;i++) { biaoji.index=i; if(parseInt(biaoji[i].innerHTML)==1) { span[i].innerHTML="Hello World"; } else if(parseInt(biaoji[i].innerHTML)==2) { span[i].innerHTML="nimei"; } else if(parseInt(biaoji[i].innerHTML)==3) { p3.style.display = 'block'; //这段代码出错了。不知道是不是需要弄成二维数组的样子才行。。。 } } }</script><body><div name="biaoji">1</div><span><p name="p1" class="span1">我爱你1</p><p name="p2" class="span2">我爱你2</p><p name="p3" class="span3">我爱你3</p></span><div name="biaoji">2</div><span><p name="p1" class="span1">我爱你7</p><p name="p2" class="span2">我爱你8</p><p name="p3" class="span3">我爱你9</p></span><div name="biaoji">3</div><span><p name="p1" class="span1">我爱你4</p><p name="p2" class="span2">我爱你5</p><p name="p3" class="span3">我爱你6</p></span></body></html>
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