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Salesforce JavaScript-Developer-I Exam | JavaScript-Developer-I Valid Exam Practice - Most Reliable Website for you

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q112-Q117):

NEW QUESTION # 112
Refer to the code below:
Const pi = 3.1415326,
What is the data type of pi?

A. Number
B. Float
C. Double
D. Decimal

Answer: A

NEW QUESTION # 113
A developer is trying to convince management that their team will benefit from using Node.JS for a backend server that they are going to create. The server will be a web server that handles API requests from a website that the team has already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Which three benefits of Node.js can the developer use to persuade their manager?

A. Uses non-blocking functionality for performant request handling
B. Installs with its own package manager to install and manage third-party libraries.
C. Performs a static analysis can code before execution to look for runtime errors.
D. Ensure stability with one major release every few years.
E. Executes server-side JavaScript code to avoid learning a new language.

Answer: C

NEW QUESTION # 114
Which two console logs outputs NaN ?
Choose 2 answers

A. console.log(10/ ''five);
B. console.log(10/0);
C. console.log(10/ Number('5'));
D. console.log(parseInt('two'));

Answer: A,D

NEW QUESTION # 115
Refer to the code below:
<html lang="en">
<table onclick="console.log(Table log');">
<tr id="row1">
<td>Click me!</td>
</tr>
<table>
<script>
function printMessage(event) {
console.log('Row log');
}
Let elem = document.getElementById('row1');
elem.addEventListener('click', printMessage, false);
</script>
</html>
Which code change should be made for the console to log only Row log when 'Click me! ' is clicked?

A. Add event.removeEventListener(); toprintMessage function.
B. Add event.removeEventListener(); to window.onLoad event handler.
C. Add.event.stopPropagation(); to window.onLoad event handler.
D. Add event.stopPropagation(); to printMessage function.

Answer: D

NEW QUESTION # 116
Refer to the code below:

Line 05 causes an error.
What are the values of greeting and salutation once code completes?

A. Greeting is Hello and salutation is I say hello.
B. Greeting is Goodbye and salutation is I say Hello.
C. Greeting is Hello and salutation is Hello, Hello.
D. Greeting is Goodbye and salutation is Hello, Hello.

Answer: C

NEW QUESTION # 117
......

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