Balanced Delimiters Checker

balanced.js

function Balanced(sDelims) {
    var i =0,
        stack = [];
    for(i=0; i< sDelims.length; i++){
        var c = sDelims[i];
        var popped = '';
        switch(c) {
            case '{':
            case '(':
            case '[':
                stack.push(c);
                break;
            case '}':
                if(stack.pop() != '{')
                    return false;
                break;
            case ')':
                if(stack.pop() != '(')
                    return false;
                break;
            case ']':
                if(stack.pop() != '[')
                    return false;
                break;
            default:
                break;
        }
        
    }
    
    return stack.length == 0;
}