From a free demo to 365 days of free updates and a conditional money-back guarantee, Dumpkiller covers every stage of your CIW JavaScript Specialist preparation. Start with the 55 1D0-635 practice questions today and make 2026 the year you get certified.
CIW 1D0-635 Exam Overview:
| Certification Vendor: | CIW |
|---|---|
| Exam Name: | CIW JavaScript Specialist |
| Exam Number: | 1D0-635 |
| Related Certifications: | CIW Web Development Professional |
| Real Exam Qty: | 55 |
| Exam Duration: | 90 minutes |
| Exam Format: | Drag-and-drop, Multiple-choice, Scenario-based |
| Certificate Validity Period: | 3 years |
| Passing Score: | 75% |
| Available Languages: | English |
| Exam Price: | $150–$175 USD |
| Recommended Training: | CIW Official Courseware |
| Exam Registration: | Certiport Testing CIW Official Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or on-site at authorized testing centers |
| Pre Condition: | Knowledge of HTML and CSS; CIW Web Foundations Associate or equivalent recommended |
| Official Syllabus URL: | https://ciwcertified.com/certifications/web-development-series/javascript-specialist/ |
CIW 1D0-635 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Applied JavaScript & Security | 25% | - AJAX and JSON basics - Cookies and web storage - Form validation and interaction - JavaScript security best practices |
| Functions, Objects & Built-in Objects | 25% | - Defining and invoking functions - Custom objects and properties - Core built-in objects
|
| Document Object Model (DOM) & Events | 25% | - Accessing and modifying elements - Event handling and listeners - Dynamic content updates - DOM structure and hierarchy |
| Essential JavaScript Principles & Practices | 25% | - Variables, Data Types & Operators
|
CIW JavaScript Specialist: Common Questions From Candidates
What is the CIW JavaScript Specialist certification exam?
The CIW JavaScript Specialist exam (code: 1D0-635) is the official CIW exam that leads to the CIW JavaScript Specialist certification. It sits at the Specialist level of the CIW certification track. It is also connected with related credentials such as CIW Web Development Professional. Passing it proves to employers that your skills have been validated by CIW itself, which is why the 1D0-635 credential keeps showing up in job postings.
How many questions are in the 1D0-635 exam, and how long does it take?
The CIW JavaScript Specialist exam gives you 90 minutes to work through 55. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.
What score do I need to pass the 1D0-635 exam, and how much does it cost?
The passing score for the CIW JavaScript Specialist exam is 75%, and the official registration fee is $150–$175 USD. Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above 75%.
Are there any prerequisites for the 1D0-635 exam?
According to CIW, the following applies: Knowledge of HTML and CSS; CIW Web Foundations Associate or equivalent recommended. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://ciwcertified.com/certifications/web-development-series/javascript-specialist/ before you register.
How do I register for the 1D0-635 exam?
You can book your CIW JavaScript Specialist exam through the official channels below:
Depending on availability in your region, the exam is delivered as Online proctored or on-site at authorized testing centers.
What official training does CIW recommend for the 1D0-635 exam?
CIW lists the following training options for CIW JavaScript Specialist candidates:
Official courses build a solid foundation, and pairing them with the 55 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.
Can I try the 1D0-635 practice questions before buying?
Yes. Dumpkiller offers a free 1D0-635 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your CIW JavaScript Specialist material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.
What happens if I do not pass the 1D0-635 exam, and how is my order delivered?
If you take the corresponding 1D0-635 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.
What topics are covered in the 1D0-635 exam?
The official CIW JavaScript Specialist syllabus is organized into 4 main domains. The first three are Functions, Objects & Built-in Objects (25%), Applied JavaScript & Security (25%), and Essential JavaScript Principles & Practices (25%). For the full domain-by-domain breakdown, see the complete Exam Topics outline above.
CIW JavaScript Specialist Sample Questions:
Question 1
Which statement about the JavaScript form object is true?
A. The JavaScript form object is available when the X/HTML <form></form> tags are present in the X/HTML document.
B. The JavaScript form object has no relationship to the X/HTML <form> element.
C. You can use a single instance of the form object to represent multiple forms on a Web page.
D. The form object cannot be used to access the individual field elements that compose the form.
Question 2
Consider the following code using a checkbox object:
Which checkbox property was used by JavaScript?
A. onclick()
B. z-index
C. checkThis
D. checked
Question 3
Consider the following message displayed in a pop-up window: Welcome to the CIW Web site! Which line of code will deliver the pop-up window that displays this message?
A. <a href="http://www.CIWcertified.com" onclick="alert('Welcome to the CIW Web site!')">CIW Web site</a>
B. <a onclick()="http://www.CIWcertified.com","CIW Web site", ('Welcome to the CIW Web site!')" />
C. <a href="http://www.CIWcertified.com" onclick()="alert('Welcome to the CIW Web site!')">CIW Web site</a>
D. <a onclick="http://www.CIWcertified.com","CIW Web site", ('Welcome to the CIW Web site!')" />
Question 4
Maria, a 22-year old student, is testing her JavaScript application, which includes the following code:
Assuming Maria enters truthful information, what is the value of z after executing this code?
A. No value ?error in line 1 due to multiple declarations in one line.
B. Maria is 22 years old
C. Maria "is" 22 "years old"
D. No value ?error in line 1 due to missing var keyword for userAge.
Question 5
When used in conjunction with SQL, a server-side language (such as PHP) and a database (such as mySQL), AJAX can perform which of the following database operations?
A. Modify database security permissions, including changing the database owner
B. Retrieve information from a database and display it back to the page originating the request
C. Update the database schema and table relationships
D. Create custom database views and stored procedures
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: B | Question 5 Answer: B |


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