在伪造者的无头真实模式下找不到选择器的节点
我的环境:
- Puppeteer版本:1.20.0
- 平台/操作系统版本:Ubuntu 18.04.3 LTS
- Node.js版本:8.10.0
- 镀铬/ 78.0.3882.0
此错误内容已在终端上打印:
(node:18157) UnhandledPromiseRejectionWarning: Error: No node found for selector: #identifierNext
at assert (/home/hoangdd3/node_modules/puppeteer/lib/helper.js:279:11)
at DOMWorld.click (/home/hoangdd3/node_modules/puppeteer/lib/DOMWorld.js:366:5)
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:188:7)
-- ASYNC --
at Frame.<anonymous> (/home/hoangdd3/node_modules/puppeteer/lib/helper.js:111:15)
at Page.click (/home/hoangdd3/node_modules/puppeteer/lib/Page.js:1037:29)
at puppeteer.launch.then (/home/hoangdd3/pupperteer/example.js:15:16)
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:188:7)
(node:18157) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:18157) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
这是我的代码:
const puppeteer = require('puppeteer');
puppeteer.launch({
headless: true
}).then(async browser => {
const page = await browser.newPage();
await page.setViewport({width: 1920, height: 1080});
await page.goto(';flowEntry=ServiceLogin', {"waitUntil" : "networkidle0"});
await page.waitFor(2000);
await page.click('input[type=email]');
await page.keyboard.sendCharacter('[email protected]');
await page.click('#identifierNext');
await page.waitFor(2000);
await page.evaluate(() => document.querySelector('#password > div > div > div > input').click());
await page.keyboard.sendCharacter('test');
await page.evaluate(() => document.querySelector('#passwordNext').click());
await page.screenshot({path: 'example.png'});
await browser.close();
});
回答如下:看起来像await page.click('#identifierNext');
中没有id = identifierNext的元素
插入await page.click('#identifierNext');
尝试使用
const next = await page.waitForSelector('#identifierNext');
await next.click();
[之间不同click('#identifierNext')
waitForSelector and click
waitForSelector-可以等待30,000s的元素将元素添加到DOM
单击-如果DOM中现在没有元素,则单击将拒绝Promise