CIT JULY 2022

 

JavaScript is an _______ language?

• Object Oriented

• Object Based

• Procedural

• All of the above

Which of the following class in Bootstrap is used to provide a responsive fixed width container?

• .container-fixed

• .container-fluid

• .container

• All of the above

Write a JS code to print numbers from 1 to 10

Output of the following code

<p id="demo"></p> var txt1 = "Sanfoundry_"; var txt2 = "Javascriptmcq"; document.getElementById("demo").innerHTML = txt1 + txt2;

• error

• Sanfoundry_ Javascriptmcq

• undefined

• Sanfoundry_Javascriptmcq

Which of the following jQuery method is used to hide the selected elements?

• The hidden() method

• The hide() method

• The visible(false) method

• The display(none) method

The correct syntax to set the background color of all h1 elements to yellow in jQuery -

• $("h1").style("background-color","yellow");

• $("h1").html("background-color","yellow");

• $("h1").css("background-color","yellow");

• $("h1").layout("background-color","yellow");

The correct syntax for selecting the first paragraph element with id p1 is -

• $("p.p1:first")

• $("p#p1:first")

• $("p1#p:first")

• None of the above

What will be the output of the following JavaScript code? 

function printArray(a) { var len = a.length, i = 0; if (len == 0) console.log("Empty Array"); else { do { console.log(a[i]); } while (++i < len); } }

• Prints the numbers in the array in order

• Prints the numbers in the array in the reverse order

• Prints 0 to the length of the array

• Prints “Empty Array”

What could be the task of the statement debugger in the following JavaScript code?

• It does nothing but a simple breakpoint

• It debugs the error in that statement and restarts the statement's execution

• It is used as a keyword that debugs the entire program at once

• It is used to find error in the statement

What will be the output of the following JavaScript code?

int size=5; int a=5; int size=4; for(int j=size;j>=0;j--) { console.log(a); a=a-2; }

• 5555

• 5321

• 531-1

• 531