看这个JS代码怎么写呀。。。。。

Question

<input name='account' size='4' value=''>
account后面少个引号.<input name='jine' size='6' value='' readonly onclick="if(!isNaN(document.theForm.account.value) && !isNaN(document.theForm.price.value)){document.theForm.jine.value=parseFloat(document.theForm.account.value)*parseFloat(document.theForm.price.value);}else{document.theForm.jine.value='';}"> </td> 

Answer 1

onBlur="if(isNaN(theForm.account.value)||isNaN(theForm.price.value)||theForm.account.value==''||theForm.price.value==''){theForm.jine.value='';if(isNaN(theForm.price.value)){theForm.price.value=''}}else{theForm.jine.value=theForm.account.value*theForm.price.value;}"