What is the best description of the problem in the code below?var str = "Hello World";str[0] = "F";AOnce a string is created it can't be changed in place, since strings are mutable in JavaScript.BOnce a string is created it can't be changed in place, since strings are immutable in JavaScript.CChanging characters of a string can only be done using the setCharAt() method. PreviousNext

In which of the following ways can we create strings in JavaScript?A'A string'B"A string"C`A string`DAll of the above

How does the trim() function modify a JavaScript string?

Determine the error in the code below.var str = "Hello\nWorld";ADouble-quote strings can't span multiple lines.BThere is no error

What does the following code log?var str = "I love cats!";console.log(str.indexOf("cat"));A6B7C-1

What will happen if you try to modify a string literal?The program will crashThe program will work as expectedUndefined behaviorCompilation error