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How can I either obtain a JavaScript or write a JavaScript that will cause the options in a select box to affect the options in a second select box? In other words, I want my client to be able to select a category (e.g. make of car; Toyota) in a particular drop down and the related list of options (e.g. models; Camry, Tersel, etc.) would then show up in the other drop down.
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How can I either obtain a JavaScript or write a JavaScript that will cause the options in a select box to affect the options in a second select box? In other words, I want my client to be able to select a category (e.g. make of car; Toyota) in a particular drop down and the related list of options (e.g. models; Camry, Tersel, etc.) would then show up in the other drop down.

Dynamic Dropdowns

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.