What do these logical expressions evaluate to? a. true && true b. true || false

Question

What do these logical expressions evaluate to?
a. true && true
b. true || false
c. false && !(true)
d. !(false) && !(false)

Write a script that prompts for a string of text and alerts the string made up of this value appended to itself twice. For example, if the user inputs "ho", your script should alert "hohoho". If the user inputs "888", your script should alert"888888888"..

What do these logical expressions evaluate to?
a. true && true
b. true || false
c. false && !(true)
d. !(false) && !(false)

Explanation / Answer

problem 3:

a. true

b. true

c. false

d. true

problem 4:

var x = prompt("Enter a string");

alert(x +x +x);

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