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NEW QUESTION 20
Given the following code:
What will be the first four numbers logged?
Answer: A
NEW QUESTION 21
Refer to the HTML below:
Which JavaScript statement results in changing " The Lion."?
Answer: C
NEW QUESTION 22
A developer is setting up a new Node.js server with a client library that is built using events and callbacks.
The library:
* Will establish a web socket connection and handle receipt of messages to the server
* Will be imported with require, and made available with a variable called we.
The developer also wants to add error logging if a connection fails.
Given this info, which code segment shows the correct way to set up a client with two events that listen at execution time?
console.log('connected to client'); ws.on('error', (error) => { console.log('ERROR' , error); });
});B. try{
ws.connect (( ) => {
console.log('connected to client'); });C. ws.connect (( ) => {
console.log('connected to client'); }).catch((error) => { console.log('ERROR' , error); }};D. ws.on ('connect', ( ) => { console.log('connected to client'); }}; ws.on('error', (error) => { console.log('ERROR' , error); }};
Answer: D
Explanation:
} catch(error) { console.log('ERROR' , error); };
}
NEW QUESTION 23
Considering the implications of 'use strict' on line 04, which three statements describe the execution of the code?
Choose 3 answers
Answer: A,B,C
NEW QUESTION 24
......
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