public/js/vendor/jshint/jshint.js
function peek(p) {
    var i = p || 0, j = 0, t;

    while (j <= i) {
      t = lookahead[j];
      if (!t) {
        t = lookahead[j] = lex.token();
      }
      j += 1;
    }
    return t;
  }
function peek(p) {
    var i = p || 0, j = 0, t;

    while (j <= i) {
      t = lookahead[j];
      if (!t) {
        t = lookahead[j] = lex.token();
      }
      j += 1;
    }
    return t;
  }
function peek ( p ) { var i = p || 0 , j = 0 , t ; while ( j <= i ) { t = lookahead [ j ] ; if ( ! t ) { t = lookahead [ j ] = lex . token ( ) ; } j += 1 ; } return t ; }
We need a peek function. If it has an argument, it peeks that much farther ahead. It is used to distinguish for ( var i in ... from for ( var i = ...
We need a peek function . If it has an argument it peeks that much farther ahead . It is used to distinguish for ( var i in ... from for ( var i = ...