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Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q96-Q101):

NEW QUESTION # 96
developer removes the HTML class attribute from the checkout button, so now it is simply:
<button>Checkout</button>.
There is a test to verify the existence of the checkout button, however it looks for a button with class= "blue". The test fails because no such button is found.
Which type of test category describes this test?

A. True negative
B. False positive
C. False negative
D. True positive

Answer: C

NEW QUESTION # 97
Which option is true about the strict mode in imported modules?

A. Imported modules are in strict mode whether you declare them as such or not.
B. Add the statement use non-strict, before any other statements in the module to enable
not-strict mode.
C. You can only reference notStrict() functions from the imported module.
D. Add the statement use strict =false; before any other statements in the module to enable
not- strict mode.

Answer: C

NEW QUESTION # 98
There is a new requirement for a developer to implement a currPrice method that will return the current price of the item or sales..

What is the output when executing the code above

A. 50
80
72
B. 50
80
50
72
C. 50
80
Uncaught Reference Error:this,discount is undefined
72
D. 50
Uncaught TypeError: saleItem,desrcription is not a function
50
80

Answer: B

NEW QUESTION # 99
Cloud Kicks has a class to represent items for sale in an online store, as shown below:
Class Item{
constructor (name, price){
this.name = name;
this.price = price;
}
formattedPrice(){
return 's' + String(this.price);}}
A new business requirement comes in that requests a ClothingItem class that should have all of the properties and methods of the Item class but will also have properties that are specific to clothes.
Which line of code properly declares the clothingItem class such that it inherits from Item?

A. Class ClothingItem implements Item{
B. Class ClothingItem super Item {
C. Class ClothingItem extends Item {
D. Class ClothingItem {

Answer: C

NEW QUESTION # 100
Refer to the code below:

What is the output if this function when called with an empty array?

A. Throws an error
B. Retruns 0
C. Return 10
D. Return NaN

Answer: C

NEW QUESTION # 101
......

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Ken King Ken King

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