Salesforce Javascript-Developer-I Quiz 6 Topic 8 Questions 26-30

Question: 1

Refer to the HTML below:

q1_Javascript-Developer-I

Which JavaScript statement results in changing ''Tony'' to ''Mr. T. ''?

ADocument.querySelectorAll ('#main # TONY ') , innerHTML = Mr, T , ' ;

BDocument.querySelector (' '#main li:second-child') innerHTML, = Mr, T, ';

CDocument.querySelectorAll ( '#main li, Tony ' ) innerHTNL = Mr, T , ' ;

DDocument.querySelector (''#main li:nth-child (2) ') , innerHTML = 'Mr . T ';

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Question: 2

A developer has code that calculates a restaurant bill, but generates incorrect answers while testing the code.

q2_Javascript-Developer-I

Which option allows the developer to step into each function execution within calculateBill?

AUsing the debugger command on line 05.

BUsing the debugger command on line 03.

CCalling the console. Trace( total ) method on line 03.

DWrapping findsubtotal in a console .log method.

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Question: 3

The developer has a function that prints ''Hello'' to an input name. To test this, the developer created a function that returns world''.

q3_Javascript-Developer-I

What can the developer do to change the code to print ''Hello world''?

AChange line 7 to ) () ;

BChange line 2 to console.log ( 'Hello', name () );

CChange line 9 to sayhello (world () ;

DChange line 5 to function world () (

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Question: 4

Refer to the code below:

q4_Javascript-Developer-I

Which code executes syhello once, two minutes from now?

ASetTimeout (sayhello, 120000) ;

BSetInterval (sayhello, 120000) ;

CSetTimeout (sayhello( ), 120000) ;

Ddelay (sayhello, 120000) ;

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Question: 5

Refer to the code below:

q5_Javascript-Developer-I

What is result of the code block?

AThe console logs only 'flag',

BThe console logs 'flag' and another flag',

CAn error is thrown.

DThe console logs flag' and then an error is thrown.

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Salesforce Javascript-Developer-I Quiz:6 Topic:8 Questions:26-30