function mixin(target, source, force) {
        var prop;
        for (prop in source) {
            if (source.hasOwnProperty(prop) && (!target.hasOwnProperty(prop) || force)) {
                target[prop] = source[prop];
            } else if (typeof source[prop] === 'object') {
                mixin(target[prop], source[prop], force);
            }
        }
    }
/**
     * Simple function to mix in properties from source into target,
     * but only if target does not already have a property of the same name.
     * This is not robust in IE for transferring methods that match
     * Object.prototype names, but the uses of mixin here seem unlikely to
     * trigger a problem related to that.
     */
Simple function to mix in properties from source into target,
but only if target does not already have a property of the same name.
This is not robust in IE for transferring methods that match
Object.prototype names, but the uses of mixin here seem unlikely to
trigger a problem related to that.
Simple function to mix in properties from source into target but only if target does not already have a property of the same name . This is not robust in IE for transferring methods that match Object . prototype names but the uses of mixin here seem unlikely to trigger a problem related to that .
function mixin(target, source, force) {
        var prop;
        for (prop in source) {
            if (source.hasOwnProperty(prop) && (!target.hasOwnProperty(prop) || force)) {
                target[prop] = source[prop];
            } else if (typeof source[prop] === 'object') {
                mixin(target[prop], source[prop], force);
            }
        }
    }
function mixin ( target , source , force ) { var prop ; for ( prop in source ) { if ( source . hasOwnProperty ( prop ) && ( ! target . hasOwnProperty ( prop ) || force ) ) { target [ prop ] = source [ prop ] ; } else if ( typeof source [ prop ] === 'object' ) { mixin ( target [ prop ] , source [ prop ] , force ) ; } } }
Simple function to mix in properties from source into target,
 but only if target does not already have a property of the same name.
Simple function to mix in properties from source into target but only if target does not already have a property of the same name .