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,"");                  };             }          }