@christian-bromann/webdriverio/lib/protocol/frame.js

A nodejs bindings implementation for selenium 2.0/webdriver

/**
 * Change focus to another frame on the page. If the frame id is null,
 * the server should switch to the page's default content.
 * <example>
    :frameExample.js
    // Using `element` to find an iframe and providing it to `frame` method
    browser.waitForExist('iframe[name="my_iframe"]');
    var my_frame = browser.element('iframe[name="my_iframe"]').value;
    browser.frame(my_frame);
 * </example>
 *
 * @param {String|Number|null|WebElementJSONObject} id   Identifier for the frame to change focus to.
 *
 * @see  https://w3c.github.io/webdriver/webdriver-spec.html#switch-to-frame
 * @type protocol
 *
 */

let frame = function (frameId = null) {
    return this.requestHandler.create('/session/:sessionId/frame', {
        id: frameId
    })
}

export default frame