<input type="hidden" class= "val" value = "{$value}" />
<script type = "Javascript">
var i = $(".val").val();
</script>
<input type="hidden" class= "val" value = "{$value}" />
<script type = "Javascript">
var i = $(".val").val();
</script>
原文：https://www.cnblogs.com/BearLee/p/8280523.html