<script type="text/javascript" src="https://ss1.bdstatic.com/5eN1bjq8AAUYm2zgoY3K/r/www/cache/static/protocol/https/jquery/jquery-1.10.2.min_65682a2.js"></script>
<input type="text" class="testinput" name="testinput" />
<script>
$(".testinput").on("input",function(){
var text = $(".testinput").val();
//TODO
});
</script>
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