Which of the statements below are true about JavaScript?

Pick ONE OR MORE options

In JavaScript, variables can be used without declaring in "use strict" mode.

In JavaScript inheritance, the classes inherit from each other rather than objects.

In JavaScript, inheritance takes place by cloning the prototype of an object.

In JavaScript $$a,x,Y,{?}_{1}Z,$ With are valid variable names.

var lang$=$"Javascript"$//$line $1$ lang$=$"Javascript" $\frac{\frac{?}{?}}{?}$ line $2$

Line $1$ has a global variable whereas line $2$ has a local variable.

var lang$=$"Javascript"$//$line $1$ lang$=$"Javascript"$//$line $2$

Line $2$ has a global variable whereas line $1$ has a local variable.

JavaScript is an object oriented programming language.

With Object.seal$(),$ you can add new properties to objects, but you cannot delete its existing properties.