Little_Myna的专栏

JS判断只能是数字和小数点 1.文本框只能输入数字代码(小数点也不能输入)2.只能输入数字,能输小数点.3.数字和小数点方法二<input type=text t_value="" o_value="" onkeypress="if(!this.value.match(/^[\+\-]?\d*?\.?\d*?$/))this.value=this.t_val

下面介绍全页面刷新方法：有时候可能会用到window.location.reload()刷新当前页面.parent.location.reload()刷新父亲对象（用于框架）opener.location.reload()刷新父窗口对象（用于单开窗口）top.location.reload()刷新最顶端对象（用于多开窗口）下面再介绍一些javascript基本函数1.doc

jquery取radio单选按钮的值 $("input[name='items']:checked").val();  另：判断radio是否选中并取得选中的值 如下所示： function checkradio(){ 　　var item = $(":radio:checked"); 　　var len=item.length; 　　if(len>0){   　　alert("yes--选中的值

scriptlanguage="javascript">function checkForms(){   var iu, iuu, regArray=new Array("◎","■","●","№","↑","→","↓"+   "!","@","#","$","%","^","&","*","(",")","_","-","+","=","|","","[","]","？"