<input type=text id="st"><input type=button value="check" onclick="check();">
<script language="javascript"> function check()
{
if(/\s/g.exec(st.value)==null)
{
alert("没有空格")
}else
{
alert("有空格")
}
}
</script>
<script language="javascript"> function check()
{
if(/\s/g.exec(st.value)==null)
{
alert("没有空格")
}else
{
alert("有空格")
}
}
</script>
if(document.XXX.XXX.value.indexOf(" "))
alert("有空格")
else
alert("没空格");我想应该是这样的吧......
if (document.xxx.xxx.vlaue.indexOf(" ") > 0)
alert("有空格")
else
alert("无")
function validateDomainText(obj){
var value=obj.value;
if(value==""){
return false;
} var reg_text=new RegExp( "^([\\S]+)$");
if(reg_text.test(value)){
return true;
} alert("Your input is error!");
obj.value="";
obj.focus();
return false;
}