js去当输入框输入数值的时候去除所有的空格和禁止输入空格

<span style="font-family: Arial, Helvetica, sans-serif;"><input type="password" name="password" id="password" onkeydown="return banInputSapce(event);" onKeyup="return inputSapceTrim(event,this);" /></span><span style="font-family: Arial, Helvetica,