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Questions and Answers
What is ES6?
What is ES6?
- A software for transpiling ES5 code
- A programming language unrelated to JavaScript
- The 6th version of ECMA Script programming language (correct)
- A new web browser released in 2015
When was ECMAScript 2015 published?
When was ECMAScript 2015 published?
- 2016
- 2015 (correct)
- 2011
- 2020
What is a major enhancement brought by ES6 to JavaScript?
What is a major enhancement brought by ES6 to JavaScript?
- Integration with C++ syntax
- Advanced AI capabilities
- Ability to run on all browsers without any issues
- Easier large-scale software development (correct)
What does block scope refer to in JavaScript?
What does block scope refer to in JavaScript?
Why might a developer from Java find JavaScript's scope behavior confusing?
Why might a developer from Java find JavaScript's scope behavior confusing?
How can ES6 code be made compatible with browsers that do not fully support it?
How can ES6 code be made compatible with browsers that do not fully support it?
What is the behavior of variable scoping in ES5 JavaScript?
What is the behavior of variable scoping in ES5 JavaScript?
In ES6+, where are variables declared inside a block visible?
In ES6+, where are variables declared inside a block visible?
What is a common workaround to address the lack of block-level scope in JavaScript?
What is a common workaround to address the lack of block-level scope in JavaScript?
Where does a variable declared using var exist in ES5 JavaScript?
Where does a variable declared using var exist in ES5 JavaScript?
What would be the output of the following code snippet in ES5 JavaScript? console.log(a); var a = 'global';
What would be the output of the following code snippet in ES5 JavaScript? console.log(a); var a = 'global';
What is one misconception that developers from Java or C++ backgrounds might have when dealing with variable scoping in JavaScript?
What is one misconception that developers from Java or C++ backgrounds might have when dealing with variable scoping in JavaScript?
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