[英]how do you loop through checkboxes using puppeteer?
我有一個復選框列表,每次 puppeteer 運行測試時我需要:
if(await page.$eval(firstcheckbox, check=>check.checked =true)) { //檢查框是否被選中 await page.waitForSelector(do something, ele=>elem.click())//如果復選框已被選中,移動到第二行和 select 一個未選中的框
}否則如果{
await page.$eval(firstcheckbox, check=>check.checked =false)){ //如果復選框沒有勾選 await page.$eval(clickcheckbox, elem=>elem.click);//勾選復選框
您可以在一個page.evaluate()
中使用所有測試和更改:
import puppeteer from 'puppeteer';
const browser = await puppeteer.launch({ headless: false, defaultViewport: null });
const html = `
<!doctype html>
<html>
<head><meta charset='UTF-8'><title>Test</title></head>
<body>
<input type="checkbox" id="checkbox1"><label for="checkbox1">checkbox1</label><br>
<input type="checkbox" id="checkbox2" checked><label for="checkbox2">checkbox2</label><br>
<input type="checkbox" id="checkbox3" checked><label for="checkbox3">checkbox3</label><br>
<input type="checkbox" id="checkbox4"><label for="checkbox4">checkbox4</label><br>
</body>
</html>`;
try {
const [page] = await browser.pages();
await page.goto(`data:text/html,${html}`);
await page.evaluate(() => {
for (const checkbox of document.querySelectorAll('input')) {
if (!checkbox.checked) checkbox.click();
}
});
console.log('Done.');
} catch (err) { console.error(err); }
或者,如果您需要元素句柄的循環,您可以試試這個:
import puppeteer from 'puppeteer';
const browser = await puppeteer.launch({ headless: false, defaultViewport: null });
const html = `
<!doctype html>
<html>
<head><meta charset='UTF-8'><title>Test</title></head>
<body>
<input type="checkbox" id="checkbox1"><label for="checkbox1">checkbox1</label><br>
<input type="checkbox" id="checkbox2" checked><label for="checkbox2">checkbox2</label><br>
<input type="checkbox" id="checkbox3" checked><label for="checkbox3">checkbox3</label><br>
<input type="checkbox" id="checkbox4"><label for="checkbox4">checkbox4</label><br>
</body>
</html>`;
try {
const [page] = await browser.pages();
await page.goto(`data:text/html,${html}`);
for (const checkbox of await page.$$('input')) {
if (!await checkbox.evaluate(elem => elem.checked)) {
await checkbox.click();
}
}
console.log('Done.');
} catch (err) { console.error(err); }
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