THIS.

[xcislav]

<input onkeypress="t==0?s=new Date():e=new Date();t=1" id="b" onblur="l()"><script>t=0;
function l(){d=e.getTime()-s.getTime();c=b.value.length;b.value+=" c"+c+"ms"+d+" cpms"+c/d}</script>

☑

<input onkeypress="t==0?s=new Date():e=new Date();t=1" onblur="d=e.getTime()-s.getTime();c=this.value.length;this.value+=' c'+c+'ms'+d+' cpms'+c/d';"><script>t=0;</script>

Ø

188 ↛ 171