Alon

Thanks for reply but these are two input,but with one input how can I attach these two functions please I want to complete code 

How work's input text type with onkeyup function and onClick button function both please I want to complete code 

Sorry but there is no option try it yourself and then I wrote on my code play app this is not working,that code I m trying is like this but is wrong please make correct this ,

<p class="post"></p>

<p class="post"></p>

<p id="demo"></p>

<Script>

var  x = 

document.getElementByClassName("post");

document.getElementById("demo").innerHTML=x.length;

</script>

I can get length of classes names with this cod but I can't use loop in this code please do  complete this code with loop 

Hi I m new and I need help som,how can I get all classes length with loop