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What is the initial step to set up a CSS Lazy Loading?

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What is the initial step to set up a CSS Lazy Loading? (a) Fetching data (b) Loading the script (c) Loading the page (d) Adding the event listener This question was posed to me during an online exam. This question is from Lazy Loading topic in portion Invocation and Performance Navigation 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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Right option is (a) Fetching data Easy explanation: The loading attribute allows a browser to defer loading offscreen images and iframes until users scroll near them. The CSS Lazy Loading is begun with fetching the JavaScript and the CSS files.

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