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Javascript 189

JavaScript is a programming language used to make web pages interactive. It runs on your visitor's computer and doesn't require constant downloads from your website.

How to implement a basic mathematical expression calculator in JavaScript with MathCalc

How to implement a basic mathematical expression calculator in JavaScript with MathCalc

Learn how to implement a string parser in JavaScript that solves basic mathematical expressions.

Carlos Delgado Carlos Delgado
  • August 22, 2017

  • Estimated reading time: 4 Minutes

18470
How to check if the reCAPTCHA box has expired

How to check if the reCAPTCHA box has expired

Learn how to check when the reCAPTCHA box (after checked) has expired.

Carlos Delgado Carlos Delgado
  • August 21, 2017

  • Estimated reading time: 1 Minute

50263
How to trigger the direct download of a PDF with JavaScript

How to trigger the direct download of a PDF with JavaScript

Learn how to download directly a PDF file from a URL using FileSaver.js

Carlos Delgado Carlos Delgado
  • August 19, 2017

  • Estimated reading time: 2 Minutes

104725
How to add a language that is not totally supported by Artyom.js

How to add a language that is not totally supported by Artyom.js

Learn how to add support for a language that isn't listed on the official artyom languages.

Carlos Delgado Carlos Delgado
  • August 12, 2017

  • Estimated reading time: 3 Minutes

7611
How to generate Audio Waves (Audio Spectrum) from an Audio File in JavaScript using Wavesurfer.js

How to generate Audio Waves (Audio Spectrum) from an Audio File in JavaScript using Wavesurfer.js

Learn how to generate a dynamic and interactive audio spectrum from an audio file using the awesome Wavesurfer.js library.

Carlos Delgado Carlos Delgado
  • August 2, 2017

  • Estimated reading time: 5 Minutes

42940
How to create a 360 Video Player with JavaScript using Clappr

How to create a 360 Video Player with JavaScript using Clappr

Learn how to play 360 videos in your browser using a plugin for the awesome Clappr Player.

Carlos Delgado Carlos Delgado
  • July 31, 2017

  • Estimated reading time: 4 Minutes

22850
How to add image filters (photo effects) to images in the browser with JavaScript using Lena.js

How to add image filters (photo effects) to images in the browser with JavaScript using Lena.js

Learn how to add image filters like sepia, invert, gray scale etc. using the awesome JavaScript library lena.js

Carlos Delgado Carlos Delgado
  • July 29, 2017

  • Estimated reading time: 3 Minutes

33199
How to prevent spoilers from being revealed using JavaScript in the Browser

How to prevent spoilers from being revealed using JavaScript in the Browser

Learn how to protect your readers from reading a spoiler on your webpage.

Carlos Delgado Carlos Delgado
  • July 23, 2017

  • Estimated reading time: 3 Minutes

6345
How to record and export Audio (WAV and MP3) using recorder.js in HTML5

How to record and export Audio (WAV and MP3) using recorder.js in HTML5

Learn how to record and export Audio in the browser using the recorder.js library.

Carlos Delgado Carlos Delgado
  • July 14, 2017

  • Estimated reading time: 6 Minutes

69796
How to retrieve images from the clipboard with JavaScript in the Browser

How to retrieve images from the clipboard with JavaScript in the Browser

Learn how to retrieve the clipboard content as an image with JavaScript in the browser.

Carlos Delgado Carlos Delgado
  • July 4, 2017

  • Estimated reading time: 4 Minutes

102392
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