1.Call()
Call() method allows calling any function and arguments provided individually. The call() allows for the method belonging to one object to be assigned and called for the different objects.
2.Null:
JavaScript null is a primitive value. Its data type is an Object. Null is also a falsy value.To check a null value in JavaScript, use three equal operator(===).
3.Global variable:Global variable can access any function.It can declared outside the function.
var value=20;//global variable
function x(){
alert(value);
}
function y(){
alert(value);
}
4.local Variable:
Find the largest element of an array:
function largestName(myfriend){
var num = '';
for (var i = 0; i<myName.length; i++)
{
if (num.length < myName[i].length) {
num = myfriend[i];
}
}
return num;
}
largestName['mina', 'rina', 'cina', 'kina', 'longsimaa'];
5.Private variable:
A private variable is not accessible in the global scope. It is only visible in the current class.
6.closure: It is an internal copy of the environment. A variable in a closure is exclusively accessible to the child function that owns it.
7.setTimeout()
It is a method that calls a function or a specified number of ms in before an expression occur.
Syntex: setTimeout(function, milliseconds, param1, param2, ...)
8.setInterval()
SetInterval is continue calling a function.
syntex:setInterval(function, milliseconds, param1, param2, ...)
9.Js stack: stack function depend on last in first out theory.
10.Queue:
Queue is a process.Is the function is empty then its call a new function.
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