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I am working on a project where I want to scrape out data from a website whenever the value of the range slider is changed by the user and compare it with the actual data.
The tasks are:
Scrape the actual data(initial value)
2.Scrape out the base data(the value changed by the user)
I am supposed to extract the base data for each change in value done by the user and compare it with the actual data and store it in local directory
(CONDITION: Must be done only using JavaScript)
The slider is present within an iframe.
Can someone please suggest any approach/packages for doing this?
There are different ways to do scraping in javascript:
Regular Expressions: The hard way
Cheerio: Core JQuery for traversing the DOM
JSDOM: The DOM for Node
Puppeteer: The headless browser
Nightmare: An alternative to Puppeteer
For more info, try this article:
https://www.scrapingbee.com/blog/web-scraping-javascript/
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I've admired JSON-editor [1] for a long time, and am quite familiar with using it to edit a document based upon a JSON schema for that document.
Why? A body of users edit JSON documents, using JSON-Editor, according to the relevant schema for that document type. That works fine.
I now wish to enable one or more power users to be able to create new document definitions - developing those definitions (json-schemas) using JSON-Editor. (Clearly a useful feature will be to display a "preview" of what an editor for that document-type will look like)
Has anyone tried to use JSON-editor to create/ edit the Schema's themselves? For this to happen there would initially have to be a JSON-schema describing the allowable structure for a JSON-Schema (note: possibly this: [2])
[1] https://github.com/json-editor/json-editor
[2] https://github.com/json-schema-org/json-schema-spec/blob/master/schema.json
The second link you included in your question is what's called the meta-schema.
The meta-schema, is as you've idenified, a JSON Schema for JSON Schema documents.
Given draft-8 isn't published yet, you probably want tme meta-schema for draft-7, which is located at https://github.com/json-schema-org/json-schema-spec/blob/draft-handrews-json-schema-01/schema.json
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I am writing an app that allows users to write and title stories within two textareas (one for each). After submission, I want the title to be displayed as a link to a page that will display the user's product in header(title)/paragraph(story content) notation. As background info, so far I've used only html and css, and I'm hoping to do this with either of the two or javascript. Any help is appreciated! Apologize if this is a confusing post, this is my first!
You will need php to achieve it.
Go learn some stuff about it :
Codecademy has a good interface to learn some language.
https://www.codecademy.com/fr/tracks/php
W3Schools is a standard for html/css/php/sql/jsjquery etc.
https://www.w3schools.com/php/default.asp
You can handle form with some other language, like python or javascript+nodejs. It depends of your needs. But if you are a beginner at coding, try php, you will find a lot of help on the web.
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A have a project on angularjs and I need to create and download a document for print(no needed to save it on server). It can be .docx, but .pdf is preferable(so simple user won't able to change file). So, I know that there is a framework called PHPWord, but I don't like php at all. And there is another framework called docx.js(but it jquery required).
There is one more problem that I need to add values of variables to the docx template(which located on server, so admin can change it, of course he won't touch variables in this file) and then download fulfilled pdf document. It is not necessary to use docx template, nevertheless this variant is preferable.
Can you give me some recommendation in which way I need to look? Maybe you know some good framework based on native JS?
I haven't personally used this, but it looks like a contender.
It runs atop Node, so you can leverage your JavaScript skills.
http://pdfkit.org/
https://github.com/devongovett/pdfkit
https://bytescout.com/products/developer/pdfgeneratorsdkjs/create-pdf-tutorial-for-javascript.html please you put a plus. dont forget
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I need a step-by-step guide to setting up neo4j to work with a website using javascript/jquery (maybe node.js?).
Do I need this:
https://github.com/neo-technology/neo4js
or this:
https://github.com/thingdom/node-neo4j
I want to use it as a backend server to a website, using the cypher language to manipulate the graph database itself. I dont need help with general graph db layout or the cypher language, just how to make it work(!) from a website environment.
I really need some help with this
Check out for a comprehensive tutorial:
https://github.com/kbastani/neo4j-movies-template
And this for a single page app using only jquery
https://github.com/jexp/cy2neo
And this for a simplistic node.js app
https://github.com/neo4j-contrib/node-neo4j-template
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I have an idea for a CMS enhancement, to extract text information from images (for example, scanned documents), and want to know if there is already anything out there to help me along?
Basically, I want to know if there is an existing OCR script written in JavaScript that can extract sentences/words from an image (using canvas, for example).
I know there are some scripts that do relatively small tasks such as captcha-cracking, but I haven't yet come across a script for extracting full sentences.
Is there such a thing, or would I need to write it from scratch?
Antimatter15's Ocrad.js is a possibility
Take a look at https://github.com/selead/node-ocr. It's a CoffeeScript libray to access ABBYY Cloud OCR SDK service.
There is a tesseract module for node.js available on github.