4-6

4-6

Q14 
var words = ['one', 'two', 'three'];
 
var x = words.forEach(function(word) {
  return word.toUpperCase();
});

x==> undefined


Q17 

Suppose a webpage contains a single text field. We want to make the page such that a user can immediately start typing in the text field without clicking on it. What is correct way using HTML5?
PICK ONE OF THE CHOICES
<input type="text" focus=True>
<input type="text" autofocus>
<input type="text" focus=onPageLoad>
Can't be done with only HTML5, need help of Javascript or something else.


Q20

Which of the following javascript functions perform the given tasks correctly?
 
The function takes one numeric variable as parameter.
If the variable is 0 than it creates a dialogue box which says "zero".
If the variable is 1 than it creates a dialogue box which says "one".
Otherwise it creates a dialogue box which says "Invalid input".
PICK ONE OF THE CHOICES

function myFunction(value) {
    switch (value) {
        case 0:
            str = "zero";
            break;
        case 1:
            str = "one";
            break;
        default:
            str = "Invalid input";
            break;
    }
    return alert(str);
}
 

function myFunction(value) {
    switch (value) {
        case 0:
            str = "zero";
        case 1:
            str = "one";
        default:
            str = "Invalid input";
    }
    alert(str);
}
 

function myFunction(value) {
    switch (value) {
        case "0":
            str = "zero";
            break;
        case "1":
            str = "one";
            break;
        default:
            str = "Invalid input";
            break;
    }
    alert(str);
}
 

function myFunction(value) {
    switch (value) {
        case 0:
            str = "zero";
            break;
        case 1:
            str = "one";
            break;
        default:
            str = "Invalid input";
            break;
    }
    alert(str);
}
 
Clear selection


Q24

// function test() {
// 	if("peanut butter" && "jelly"){
// 		return 1+3;
// 	}else {
// 		return false
// 	}
// }

// test();

function test() {
	if("2" == 2){
		return 5+6;
	}else {
		return false
	}
}

test();


// function test() {
// 	if("yes" || true){
// 	return	3+3;
// 	} else {
// 		return false
// 	}
// }

// test();


// function test() {
// 	if(NaN !== NaN){
// 		return 1+1;
// 	} else {
// 		return false
// 	}
// }

// test();