if(document.form1.username.value=="www.tbpcwt.

if(document.form1.username.value==www.tbpcwt. if(document.form1.yuanxi.value==)这句话是什么意思啊 try{ var a=document.form1.text1; if(a.value==good) alert(正确);try{var a=document.form1.text1;if(a.value==good)alert(正确);else alert(错误);}catch(exception){alert('错误信息 '+exception.message);}小弟新手,一直搞不懂上面 if (form1.text1.value== ) javascript如何取小数点后四位数?function getResult() { var sum; sum=parseInt(document.form1.m9.value)*7.05; document.form1.m10.value=Round(sum,2); } focusto(x) document.form1.elements(x).focus() sub focusto(x) document.form1.elements(x).focus() end sub 通常在什么情况下应用这段代码呢? window.document.form1.elements是什么意思,是获取form1表单下所有的元素?是的话所获取的元素都有哪些(类型)? if (document.images)具体是什么意思? 求商业英语解释：before on cash against document basisWe shall be glad if you ship the goods to us as before on cash against document basis.请教before on cash against document basis 特别是before on的意思 document form1.username. If WindowState = 0 Then Move (Screen.Width - Form1.Width) / 2, onkeyDown=if(event.keyCode==13){form1.PWD.focus();} 在javascript函数中怎么计算变量的和名是多个变量的和呢?function dddd() {var csnum=document.form1.csnum.value;var csnum1=document.form1.csnum1.value;}在这段代码中,我想把csnum和csnum1和加起来,然后赋给别外一个变 英译中:If you discover errors,document them at the bottom of the report.Save the document. if(document.all) {document.all.table.style.filter="ch... document.myform.username.focus(); document.myform.username.focus();function checkform(){if(document.myform.username.value==){alert(请输入用户名!);document.myform.username.focus();return false;}if(document.myform.password.value == ){alert( if document.images)什么意思...js中有这么一段.