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kandi has reviewed LeetCodeAnimation and discovered the below as its top functions. This is intended to give you an instant insight into LeetCodeAnimation implemented functionality, and help decide if they suit your requirements.
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Demonstrate all the questions on LeetCode in the form of animation.
QUESTION
How can I perform two operations inside a single map function in Javascript
Asked 2019-Jan-22 at 22:02I am currently trying to get all the trending repositories from Github's trending page and the stars they have and create a text file from it. URL is this
I'm using Puppeteer for the same.
For the list of the repositories I did this
const data = await page.evaluate(()=>{
const tds =Array.from(document.querySelectorAll('.explore-content ol li div h3'));
return tds.map(td => td.textContent);
});
which gives me the result like this
The top repositories are
charlax / professional-programming
,
ssloy / tinyraytracer
,
komeiji-satori / Dress
,
ForrestKnight / open-source-cs
,
hjacobs / kubernetes-failure-stories
,
osforscience / deep-learning-ocean
,
alexkimxyz / nsfw_data_scrapper
,
kamranahmedse / developer-roadmap
,
typescript-eslint / typescript-eslint
,
Musish / Musish
,
MisterBooo / LeetCodeAnimation
,
yagiz / Bagel
,
SpaceVim / SpaceVim
,
antonmedv / fx
,
pjialin / py12306
,
braver / programmingfonts
,
macrozheng / mall
,
Snailclimb / JavaGuide
,
schollz / howmanypeoplearearound
,
flutterchina / flutter-in-action
,
flutter / flutter
,
rikschennink / shiny
,
doocs / advanced-java
,
MFatihMAR / Awesome-Game-Networking
,
go-task / task
To get the stars, I have another function like this
const stars = await page.evaluate(()=>{
const stars = Array.from(document.querySelectorAll('.explore-content ol li div:nth-child(4) a'));
return stars.map(star=>star.textContent);
});
which outputs in this way
The top repoitories have
5,304
,
379
,
,,,,,,
1,173
,
44
I want to combine the output of the two methods in a single method so that I can get the result as
charlax/professional-programming has 5,304 stars.
How can I combine the outputs of data
and stars
method or how can I do the two different operations in a single method. Can I perform two simulatenous operations inside a single map
method? If so how?
ANSWER
Answered 2019-Jan-22 at 22:02Maybe a safer way to do this:
const data = await page.evaluate(() => {
const exctactedData = [];
for (const entry of document.querySelectorAll('ol.repo-list > li')) {
exctactedData.push(`${
entry.querySelector('h3').innerText
} has ${
entry.querySelector('a[href$="/stargazers"]').innerText.trim()
} stars.`);
}
return exctactedData.join('\n');
});
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