JavaScript Template

gistfile1.js

var Template = function(template) {
    this.template = template;
    this.bindings = {};
};

Template.prototype.bind = function(variable, value) {
    this.bindings[variable] = value;
    return this;
}

Template.prototype.parse = function(args) {
    var parsedTemplate = this.template;
    for (var variable in this.bindings) {
        var value = this.bindings[variable];
        parsedTemplate = parsedTemplate.replace("${" + variable + "}", value);
    }
    return parsedTemplate;
};

/**
 * Usage:
 * 
 * new Template("Hello, ${firstName} ${lastName}!")
 *   .bind("firstName", "James")
 *   .bind("lastName", "Childers")
 *   .parse();
 * //-> "Hello, James Childers!"
 */