* Helper: simulate a client connection on the router.

* Removes all white space at the begining and end of a string. * * @param {String} str String to trim. * @return {String} Returns string wi

* Displays an alert. * @param {String} str String to display.

* Executes a callback on each line and replaces each line with result from the callback. * @param {Object} str Input string. * @param {Object} cal

* Looks for a parent node which has specified classname. * This is an alias to <code>findElement(container, className, true)</code>. * @param {Eleme

* Helper: run worker commands on a shell.

* Wraps each line of the string into <code/> tag with given style applied to it. * * @param {String} str Input string. * @param {String} css S