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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
High Performance JavaScript"If you're like most developers, you relyheavily on JavaScript to build interactive and quick responding webapplications. The problem is that all of those lines of JavaScript code canslow down your apps. This book reveals techniques and strategies to help youeliminate performance bottlenecks during development. You'll learn how toimprove execution time, downloading, interaction with the DOM, page life cycle,and more.
"If you're like most developers, you relyheavily on JavaScript to build interactive and quick-responding webapplications. The problem is that all of those lines of JavaScript code canslow down your apps. This book reveals techniques and strategies to help youeliminate performance bottlenecks during development. You'll learn how toimprove execution time, downloading, interaction with the DOM, page life cycle,and more.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 1673 reviews
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Product Reviews
★★★★★ 2
Great shoe, horrible lace design.
Size: 13, Color: White, Size: 13, Color: White
This shoes look great and the materials for the actual shoe feel great. They run a little big that doesn't bother me. Unfortunately, the lace design is horrible. I've now have 2 pairs of these shoes and both times the bottom lace has ripped out of the stitching. The first time was on the 2nd day I wore them, and the replacement pair to those it happened after I walked 20 feet. Both times I've tied a knot in the bottom lace so that I could get through the day. Ideally these laces should be connected together and not attached to the shoe (this is how both of my Skechers Slip-ins are designed). Because I like the rest of the shoe so much I'm buying elastic laces to replace the horrible original laces.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2025
★★★★★ 5
Beautiful and comfortable
Size: 12 Wide, Color: Black
Beautiful and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Really nice
Size: 10.5 Wide, Color: Black
My husband loves these shoes. He has a flat food and said they still fit nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 4
Good Quality
Size: 11, Color: White
Nice looking shoe. Slides on easy. My only feedback would be I wish the toe box was a bit wider and the heel a bit higher. It's a good shoe overall. I would buy again.
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Reviewed in the United States on April 10, 2025
★★★★★ 5
Fit
Size: 11.5 Wide, Color: Cognac
Comfortable and affordable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
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