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Description
Refactoring JavaScript: Turning Bad Code Into Good CodeIf your JavaScript is a mess, frameworks can only do so much to help. No matter what framework, "compiles to JS" language, or library you use, bugs and performance concerns will always be an issue if the underlying quality of your JavaScript is poor. With this hands on guide, youll learn how test and refactor your existing code to help reduce complexity, improve readability, and gain confidence in the codebase. font family: Arial, Verdana, Geneva,
If your JavaScript is a mess, frameworks can only do so much to help. No matter what framework, "compiles-to-JS" language, or library you use, bugs and performance concerns will always be an issue if the underlying quality of your JavaScript is poor. With this hands-on guide, youll learn how test and refactor your existing code to help reduce complexity, improve readability, and gain confidence in the codebase. font-family: Arial, Verdana, Geneva, Helvetica, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);"Author Evan Burchard shows you how to identify areas of bad code, and then takes you through several refactoring methods for improving them. Techniques range from renaming variables to applying principles of functional and object-oriented programming. If youre motivated to write better JavaScript code either on the frontend or backend, this book is a must. Use refactoring to restructure existing code, without changing its behavior Learn the relationship between refactoring and quality Explore the many versions of JavaScript in use today Create automated tests to confirm that your code works, and find bugs that slip through Learn how to refactor simple JavaScript structures, functions, and objects Refactor your codebase applying object-oriented and functional programming principles Examine methods for refactoring asynchronous JavaScript Table of ContentShipping Notes
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4.4 ★★★★★
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Product Reviews
★★★★★ 3
Glitter Bomb
Color: Glint Rainbow
It gets ALL over the place and doesn’t stick all that well. Neat idea but it doesn’t work the way I would hope.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Great glitter body spray
Color: Fairy-Diamond, Color: Fairy-Diamond
So cute. Came with extra glitter, I’m assuming lipgloss you can make into glitter lipgloss, a funnel to help pour the glitter. Or re load your spray. The spray performance is nice. Might stick better with some oil before hand? But I like it so far. Worked 6 hours and still had glitter on me for my photoshoot. I sprayed perfume and then glitter. There’s no odor. The amount of quantity of glitter you get seems good for the price. Durability seems good so far but like I said may need some oil or lotion first to help it stick all day.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Troll glitter
Color: Brandy-Rose
Do not spray too much! This glitter is so fine that it dispenses easily from the puff part and you can easily make yourself look like Poppy the troll. We had so much fun with this for prom
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Glitter with staying power
Color: Rainy-Rainbow, Color: Rainy-Rainbow
Super fun and sparkly, the color is beautiful, it comes with 2 glue tubes with brushes that you use to rub the glue onto your skin in order for the sparkle to stick better and longer, made a heart shape on my arm, dries fairly quickly and washes off easily when you're done with it
It sprays a fine layer and evenly, it's great for building on for more sparkle or to just have a light layer
Even without the glue it lasts at least a couple hours with minimal shedding and light use, seems to have good longevity
With 2 glue tubes, a refill tub, funnel and the glitter spray bottle I feel $10 is a great value considering everything you get with it, Overall I feel like it's a fantastic product and will buy again!
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Reviewed in the United States on July 22, 2025
★★★★★ 5
Super super glittery!
Color: Fairy-Diamond
Super, super glittery! I ended up returning because, believe it or not, it was too glittery for me! But it's a good product :)
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Reviewed in the United States on April 19, 2026