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CIW 1D0-735 Exam - Topic 6 Question 89 Discussion

Which of the following is not a best practice when using JavaScript libraries?
A) Developers should ensure the library functions they use are cross-browser compatible for the version of HTML they are using.
B) Developers should link to the library file and to each plug in script in the <head> section of the HTML document using the <script> tag.
C) Developers should use plugins from a variety of JavaScript libraries to ensure compatibility.
D) Developers should become familiar with one library then optimize HTML code with that specific library in mind.

CIW 1D0-735 Exam - Topic 6 Question 89 Discussion

Actual exam question for CIW's 1D0-735 exam
Question #: 89
Topic #: 6
[All 1D0-735 Questions]

Which of the following is not a best practice when using JavaScript libraries?

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Suggested Answer: A

by Gail at Nov 24, 2025, 12:19 AM

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Genevive
2 months ago
True, but B is common practice. It’s about balance, I guess.
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Viki
2 months ago
I vote for B. Loading scripts in the head can slow down the page.
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Abel
2 months ago
But D helps in optimizing. It’s good to master one library.
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Jesse
2 months ago
I feel like D is also risky. Focusing too much on one can limit flexibility.
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Fatima
3 months ago
Agreed, C can lead to compatibility problems. Stick to one library!
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Corrina
3 months ago
Linking scripts in the is standard practice, so B is fine.
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Vashti
3 months ago
Wait, is it really a problem to use multiple libraries? Sounds risky.
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Stevie
4 months ago
I agree with C being a bad idea. Stick to one library!
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Vilma
4 months ago
C is definitely not a best practice. Mixing libraries can cause issues.
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Jackie
4 months ago
Developers should use a random number generator to pick their libraries. That's the real best practice.
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Rory
4 months ago
C is a big no-no. Mixing libraries is a recipe for disaster.
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Lashandra
4 months ago
D is the way to go. Specializing in one library is the key to optimization.
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Junita
4 months ago
Linking to the library in the head section? What is this, the 90s?
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Adelina
5 months ago
A, B, and D are best practices. C is not.
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Luisa
5 months ago
I thought cross-browser compatibility was crucial, so option A seems right. But linking scripts in the head... I’m not so confident about that.
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Providencia
5 months ago
I vaguely recall a practice question about optimizing for a specific library, which makes me lean towards option D being a best practice.
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Clemencia
5 months ago
Okay, I think the key here is to focus on one library and optimize for that, rather than trying to use a bunch of different ones. The other options seem like they could lead to problems.
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Milly
5 months ago
I'm a little confused on this one. I know we should use compatible libraries, but I'm not sure about the specifics of where to link them or using multiple libraries. Gotta review my notes on best practices.
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Larae
5 months ago
I'm pretty confident that linking the library and plugins in the head is a good practice. And we definitely want to ensure cross-browser compatibility. The other options seem less ideal.
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Candida
6 months ago
I feel like using plugins from different libraries, like in option C, could lead to conflicts. That seems risky!
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Huey
6 months ago
I think option B might be the one that's not a best practice, but I'm not entirely sure. I remember something about script placement affecting load times.
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Cristal
6 months ago
I think option C is not a best practice. Mixing libraries can cause issues.
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Phuong
6 months ago
A is super important! Cross-browser compatibility is key.
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Vesta
7 months ago
Hmm, I think the best practice is to use one library and optimize for that, rather than mixing libraries. The other options seem like they could cause compatibility issues.
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Hester
7 months ago
I'm not sure about this one. I know we should use libraries that are compatible with the HTML version, but I'm not sure about the other options.
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Tawna
1 month ago
Definitely! Cross-browser compatibility is crucial too.
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Joanna
1 month ago
Option B seems fine to me. Head section is the right place.
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Jannette
2 months ago
Yeah, I agree. Sticking to one library is safer.
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Fernanda
2 months ago
I think option C is not a best practice. Mixing plugins can cause issues.
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Gayla
6 months ago
I’m confused about D. Isn’t it good to know multiple libraries?
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