1. Memory leak
2. Error
3. Exception will be thrown
4. Yes, execute perfectly
Yes, execute perfectly
1. The first line results in a real boolean value whereas the second line merely checks for the existence of the objects
2. Both the lines of code A and B will result in a Boolean value "False"
3. Both the lines of code A and B will check just for the existence of the object alone
4. Both the lines of code A and B will result in a Boolean value "True"
The first line results in a real boolean value whereas the second line merely checks for the existence of the objects
1. Literal scoping
2. Sequential scoping
3. Segmental scoping
4. Lexical scoping
Lexical scoping
1. SIGINT
2. SIGDOWN
3. SIGFLOAT
4. SIGSHORT
SIGINT
1. JavaScript is a light-weighted and interpreted language.
2. JavaScript is a high-level programming language.
3. JavaScript is a case-sensitive language.
4. JavaScript provides reasonable control to the users over the web browsers.
JavaScript is a high-level programming language.
1. Because all popular web browsers support JavaScript as they provide built-in execution environments
2. Because it is an object-oriented programming language that uses prototypes rather than using classes for inheritance
3. Because it follows the syntax and structure of the C programming language, which is a structured programming language
4. Because it ignores spaces, tabs, and newlines that appear in JavaScript programs
Because it follows the syntax and structure of the C programming language, which is a structured programming language
1. browser.print();
2. navigator.print();
3. document.print();
4. window.print();
window.print();
1. splice()
2. unshift()
3. sort()
4. toString()
unshift()
1. alertBox("Hello World");
2. alert("Hello World");
3. msgBox("Hello World");
4. msg("Hello World");
alert("Hello World");
1. Polymer
2. Meteor
3. jQuery
4. Cassandra
Cassandra