<script type="text/javascript"> //返回val的字节长度 function getByteLen(val) { var len = 0; for (var i = 0; i < val.length; i++) { if (val[i].match(/[^\x00-\xff]/ig) != null) //全角 len += 2; else len += 1; } return len; } //返回val在规定
They're both objects but DOMElements are special objects. jQuery just wraps DOMElements in a Javascript object. jQuery returns an element it shows up as [object Object] in an alert. relationship between jQuery object and DOM element: A jQuery object
引用jquery $(function(){ $("#按钮id").click(function(){ var nums="";//变量 $("#table的id tbody tr").each(function(){ var num1=$(this).find("input:text:eq(0)").val(); var num2=$(this).find("input:text:eq(1)").val(