$.js

// Based on https://github.com/james2doyle/saltjs
window.$ = function(s) {
    try {return document[{
        '#': 'getElementById',
        '.': 'getElementsByClassName',
        '@': 'getElementsByName',
        '=': 'getElementsByTagName',
        '?': 'querySelectorAll'
    }[s[0]]](s.slice(1));}catch(e){}
};