Array of Objects property sort

psort.js

/**
 * @type void as per Array#sort
 * @see http://jsfiddle.net/tomasdev/ns2wj/
 */

/** @version 1 */
Array.prototype.psort=function(p){p&&this.sort(function(a,b){return(a[p]<b[p]?-1:a[p]>b[p])})};

/** @version 2 */
Array.prototype.psort=function(p,g,u){p&&this.sort(function(a,b){return +((typeof a[p]===u+"")?!g:((typeof b[p]===u+"")?g:((a[p]<b[p])?-1:(a[p]>b[p]))))})};