{"product_id":"building-a-countdown-timer-web-lumavalle-press-9798287560027","title":"Building a Countdown Timer Web App with Vanilla HTML, CSS, and JavaScript.","description":"\u003cp\u003eLearn how to build a functional Countdown Timer web application using only HTML, CSS, and JavaScript. This hands-on guide uses a clear Q\u0026amp;A format to walk you through every step of the process, from setting up the project to writing the countdown logic.\u003c\/p\u003e\u003cp\u003eWhat's inside: \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eStructured sections on layout, styling, and interactivity\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eReal code snippets with practical explanations\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eInput validation, responsive layout, and user-friendly design\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDebugging techniques and ideas to expand your project\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're brushing up on core skills or creating your first interactive app, this guide helps you apply essential web development concepts through a focused, real-world project.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Lumavalle Press\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798287560027\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 06\/12\/2025\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 28\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.11lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.06d","brand":"Lumavalle Press","offers":[{"title":"Paperback","offer_id":49083602403583,"sku":"9798287560027","price":9.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.whiterainbookhouse.com\/products\/building-a-countdown-timer-web-lumavalle-press-9798287560027","provider":"WR Book House","version":"1.0","type":"link"}