js控制表单不能输入空格的小例子

window.onload=function() 
        {    
            var inputs=document.getElementsByTagName("input"); 
            for (var i=0;i<inputs.length; i++) {  
                if(inputs[i].getAttribute("type")=="text") 
                 inputs[i].onkeyup=function(){ 
                    this.value=this.value.replace(/(^/s+)|/s+$/g,""); 
                 }; 
            }  
        }