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Javascript Questions Set 165:

Quiz Mode

How to compare two variables a and b in JavaScript?

a=b

a==b

a===b

All of these

Solution:

Which method or operator used to identify the array?

isarrayType()

typeof

===

Solution:

How can the nodes in a node list be accessed?

By index number

By key

By looping

By value

Solution:

Which are the correct Date object methods?

d.getHours();

d.getSeconds();

d.getMinutes();

All of the above

Solution:

__________ is one of the hottest libraries for front-end development in today's marketplace.

Redux

Hooks

all of these

jQuery

Solution:

How can you update the state of a React component?

by using this.updateState()

by using this.setState()

by using this.State()

none of these

Solution:

Which method receives the return value of setInterval() to cancel future invocations?

clearInvocation()

cancelInvocation()

clearInterval()

clear()

Solution:

To replace the <p> element with the <h2> element, which jQuery method should be used?

confirm()

css()

html()

There is no method to replace an element

Solution:

What will be the output?
console.log("B is " + typeof NaN + typeof "1");

B is numberstring

B is numbernumber

B is undefinedstring

B is undefinednumber

Solution:

What is the function used to deregister an event handler 'f'?

deleteAllListeners(name)

removeAllListeners(name)

deleteListener(name, f)

removeListener(name, f)

Javascript Questions Set 165:

How to compare two variables a and b in JavaScript?

Solution:

Which method or operator used to identify the array?

Solution:

How can the nodes in a node list be accessed?

Solution:

Which are the correct Date object methods?

Solution:

__________ is one of the hottest libraries for front-end development in today's marketplace.

Solution:

How can you update the state of a React component?

Solution:

Which method receives the return value of setInterval() to cancel future invocations?

Solution:

To replace the <p> element with the <h2> element, which jQuery method should be used?

Solution:

What will be the output?
console.log("B is " + typeof NaN + typeof "1");

Solution:

What is the function used to deregister an event handler 'f'?

Solution:

Related Question Sets:

Related Topics:

Javascript Questions Set 165:

How to compare two variables a and b in JavaScript?

Solution:

Which method or operator used to identify the array?

Solution:

How can the nodes in a node list be accessed?

Solution:

Which are the correct Date object methods?

Solution:

__________ is one of the hottest libraries for front-end development in today's marketplace.

Solution:

How can you update the state of a React component?

Solution:

Which method receives the return value of setInterval() to cancel future invocations?

Solution:

To replace the <p> element with the <h2> element, which jQuery method should be used?

Solution:

What will be the output?console.log("B is " + typeof NaN + typeof "1");

Solution:

What is the function used to deregister an event handler 'f'?

Solution:

Related Question Sets:

Related Topics:

What will be the output?
console.log("B is " + typeof NaN + typeof "1");