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Questions and Answers
What is the primary purpose of using modules in modern JavaScript applications?
What is the primary purpose of using modules in modern JavaScript applications?
- To provide a way to share data between different files
- To enable asynchronous execution of code
- To improve code organization and readability
- To prevent global namespace pollution (correct)
How do you tell the browser that a JavaScript file is a module and not a regular external JavaScript file?
How do you tell the browser that a JavaScript file is a module and not a regular external JavaScript file?
- By including a `module` attribute in the `
- By including a `type="module"` attribute in the ` (correct)
- By including a `` tag instead of a `
- By including a `module.js` file extension instead of `.js`
How are literals (variables, functions, etc.) defined within a JavaScript module made available to other scripts outside the module?
How are literals (variables, functions, etc.) defined within a JavaScript module made available to other scripts outside the module?
- They are not made available to other scripts by default
- By using the `global` keyword
- By using the `export` keyword (correct)
- By using the `import` keyword
What is the primary characteristic of asynchronous code in JavaScript?
What is the primary characteristic of asynchronous code in JavaScript?
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What is a common use case for asynchronous JavaScript code in modern web applications?
What is a common use case for asynchronous JavaScript code in modern web applications?
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How do multi-tasking operating systems typically achieve asynchronous execution of code?
How do multi-tasking operating systems typically achieve asynchronous execution of code?
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