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What is the purpose of image replacement?

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What is the purpose of image replacement? (a) To replace an image (b) To implement special effects (c) Removal of image rollovers (d) Implementation of image rollovers I had been asked this question in a national level competition. My doubt stems from Scripted Media in portion Graphics and Rendering of JavaScript Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

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Correct answer is (d) Implementation of image rollovers Easy explanation: Image replacement is a technique developed to allow designers to use image-based typesetting while meeting accessibility requirements. One common use for image replacement is to implement image rollovers, in which an image changes when the mouse pointer moves over it.

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