Javascript Basic
Which is the correct way to write a comment in JavaScript?
How can you detect the application name of the client’s browser?
How do you declare a new date in JavaScript?
How do you round the number 5.35 to the nearest integer?
How do you open a confirm window in JavaScript?
Which of the following events occurs when the user clicks on an HTML element?
How do you create a new function in JavaScript?
How do you create a JavaScript array?
What is the function of the below code snippet?
function checkscope() {
var scope = "local scope";
function func() {
return scope;
}
return func;
}
Which is undefined variable?
if ( var2 ) {
delete var2;
}
else if ( var1 ) {
delete var1;
}
Which of the following is the correct way to write an array?
Which of the following is the correct way to write “Welcome to W3docs” on the web page?
What will be the output of the following code piece?
arr.slice(0,3);
Which of the following is used to identify the array?
What is called the functions with no return value?
What will be the result of the following code snippet?
What should be done for lexical scoping implementation?
Which of the following options is right for dynamic scoping?
What will be the output of the following statement?
What will happen if the return statement doesn’t have the associated expression?
