From time to time, during your website development, you stumble upon this need, of loading JavaScript files or CSS files during runtime of a website.

I will share with you, not only the way of loading the script, but also make it complaint with the async-await methodology (using Promises).

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Many are asking me about this matter of how to properly validate a number using Regular Expression, so I decided to write this post to share with you from my experience and research. And most important thing that really bothers me, is that the internet is full of examples and solutions for exactly this task, but unfortunately most of them are incorrect or incomplete.

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I decided to share a useful one-row snippet for web developers, which can save time and complexity using JavaScript that checks whether the browser that runs the code is MSIE (Internet Explorer) and determine its version.

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This is the way to convert base 10 (a decimal number) into a base 64 string and base 64 into a base 10, while the order of that base is as following: Base 10 to Base 64 Base 64 to Base 10 Live Test Base 10: Base 64: Good luck!

I have cerated this GUID/UUID generator, which is short, simple and efficient. This post includes explanations of the algorithm below. The function is as simple as this: To test the performance, you can run this code: I’m sure most of you will understand what I did there, but maybe there is at least one person that will need an explanation: The algorithm: The Math.random() function returns a decimal number between 0 and 1 with 16 digits after the decimal fraction point (for example 0.4363923368509859). Then we take this number and convert it to a string with base 16 (from the example above we’ll get 0.6fb7687f). Math.random().toString(16). Then we cut off the 0. prefix (0.6fb7687f => 6fb7687f) and get a string with eight hexadecimal characters long. (Math.random().toString(16).substr(2,8). Sometimes the Math.random() function will return shorter number (for example 0.4363), due to zeros at the end (from the example above, actually the number…

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If you a web developer, maybe you encountered this annoying thing. Let’s say you need to write a list of choices, i.e. questions – answers. Let’s define that all the questions are optional and you can select just one answer per question. The way you should implement it, is using inputs with radio type, that’s fine and this how it should be.Example code is: But, as I said, the questions are optional. What’s happening now is when I check an option, I cannot uncheck it anymore! A problem. What is favorite time? Morning Noon Evening What is your preferable paying method? Credit Card Check Paypal Cash Here, I will show you how to solve this problem.There are two solutions to solve it, both involves JavaScript (and jQuery to ease the work): Convert all radio buttons to checkboxes: What is favorite time? Morning Noon Evening What is your preferable paying method?…

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