用输入值更新DIV的文本

$(".button_vertical").click(function() {
   $(".button_slide").text($(this).val());
});

.button_slide <div> $(this).parent().children(".button_slide")

$('button').click(function(){
  $('.button_slide').text($(this).val());
})

$('input').click(function() {
  var new_val = $(this).val();
  $('.button_slide').val(new_val);
});

click() button_slide text()

$(".special_button").click(function(e) {
   $(".button_slide").text($(this).val());
});

• http://api.jquery.com/text/
• http://api.jquery.com/click/

<div class="button_slide" rel="slide1" id="sld">Choose one</div>
<div class="content_slide slide1">
<script language="javascript">

var buttonArr = new Array("Cake","No Cake");
for(var i=0;i<buttonArr.length;i++){
 document.write(" <input onclick='showvalue(this.value)' class='button_vertical special_button' type='button' value='"+buttonArr[i]+"' />")
}
function showvalue(value){
 document.getElementById("sld").innerHTML = value;
}
</script>
</div>