function length_d(string){ var count = 0; while (string.charAt(++count)); alert (count); } length_d (" лох")
<html> <head> <title>example</title> </head> <body> <script> function length_d(string) { var massive_alements = []; var count = 0; for(var i = 0, ln = string.length; i < ln; ++i) { var element = string.charAt(i); massive_alements.push(element); if (element == 1) { console.log('равен единице'); } else { ++count; } } console.log(count); } length_d ('my string'); </script> </body> </html>