mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
/**
|
|
* Copyright 2017 Google Inc., PhantomJS Authors All rights reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
var Browser = require('../lib/Browser');
|
|
var browser = new Browser();
|
|
|
|
browser.newPage().then(async page => {
|
|
page.on('consolemessage', console.log);
|
|
await page.setInPageCallback('callPhantom', msg => {
|
|
console.log("Received by the 'phantom' main context: "+msg);
|
|
return "Hello there, I'm coming to you from the 'phantom' context instead";
|
|
});
|
|
await page.evaluate(function() {
|
|
// Return-value of the "onCallback" handler arrive here
|
|
var callbackResponse = window.callPhantom("Hello, I'm coming to you from the 'page' context");
|
|
console.log("Received by the 'page' context: "+callbackResponse);
|
|
});
|
|
browser.close();
|
|
});
|