JS: Simple JavaScript templating

gistfile1.js

/**
 * Simple templating, replaces occurrence of replacements in passed template
 * against the values in passed replacements, where the key of replacements will be
 * mapped to the items to be replaced.
 *
 * Usage:
 * <code><pre>
 * var template = '<a href="{url}" title="{title}">{text}</a>';
 * var replacements = {
 *     url:   'http://www.google.com',
 *     title: 'Visit Google',
 *     text:  'www.google.com'
 * };
 * var result = renderTemplate(template, replacements);
 * </pre></code>
 *
 * @param  {String}  template   The template string with replacements
 * @param  {Object}  replacements  Object containing replacement values.
 * @return {String}  The rendered template
 */
function renderTemplate(template, replacements) {
    if (!replacements || typeof replacements !== 'object') {
        return template;
    }

    var name;
    for (name in replacements) {
        if (replacements.hasOwnProperty(name)) {
            template = template.replace(new RegExp('{' + name + '}', 'g'), replacements[name]);
        }
    }

    return template;
}