this gives results to pangrams

js

//creator Jonathan R. Lopez
var write = function(inputString) {
    process.stdout.write(inputString);
}
var test = function() {
    return 'has test'
}
var checkingAlphabet = function(result) {
    //var checkResult = !result ? null : result;
    hasAlphabet = /^[a-z]$/i;
    if(result.search(hasAlphabet)) {
        return "pangram"; 
    } else {
        return "not pangram";
    }
}
//this function loop throgh every char
var loopingThroughChar = function(a, fn) {
    var result = '';
    for(var i = 0; i <= a.length; i++) {
        var removeWhiteSpace = /\s/;
        result += a.charAt(i).replace(removeWhiteSpace, '');
    }
     //returns a result.
     var output = fn ? fn(result) : result;
     write(output);
    
}

loopingThroughChar(input,checkingAlphabet);