<td>
<input type=text name="iphone" onfocus="javascript:this.form.iphone.value=this.form.iphone.name"></td>
<td><input type=text name="address" onfocus="javascript:this.form.address.value=this.form.address.name"></td>
<input type=text name="iphone" onfocus="javascript:this.form.iphone.value=this.form.iphone.name"></td>
<td><input type=text name="address" onfocus="javascript:this.form.address.value=this.form.address.name"></td>
<form >
<td>
<input type=text name="iphone" onfocus="javascript:this.form.iphone.value=this.form.iphone.name"></td>
<td><input type=text name="address" onfocus="javascript:this.form.address.value=this.form.address.name"></td>
</form>
存在多个表单时
<form name="form1">
<td>
<input type=text name="iphone" onfocus="javascript:document.form1.iphone.value=document.form1.iphone.name"></td>
<td><input type=text name="address" onfocus="javascript:document.form1.address.value=document.form1.address.name"></td>
</form>