allowing only alphabets in text box using java script

Question

I want to allow only alphabets in textbox using JavaScript I used the code:

var nam=f.nm.value;
if(!isNaN(nam))  
    region.innerHTML=\"alphabets only\";
<         


        

Answer 1

You can try:

 function onlyAlphabets(e, t) {
        return (e.charCode > 64 && e.charCode < 91) || (e.charCode > 96 && e.charCode < 123) || e.charCode == 32;   
    }