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function funC() { | |
var lastName = "Tesla"; | |
function funB() { | |
var name = "Bose"; | |
function funA() { | |
console.log(name, lastName); | |
} | |
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// ====================================== *********** ============================== | |
// Function Currying | |
// ====================================== *********** ============================== | |
function multiply(a, b, c) { | |
return a * b * c; | |
} | |
function multiply(a) { | |
return (b) => { |
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function outerFunction() { | |
var count = 10; | |
return function innerFunction() { | |
console.log(count); | |
}; | |
} | |
var result = outerFunction(); | |
console.dir(result); | |
result(); |
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function outerFunction() { | |
var count = 10; | |
return function innerFunction() { | |
console.log(count); | |
}; | |
} | |
var result = outerFunction(); | |
console.dir(result); |
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// =================== Scope ======================= // | |
for (var i = 1; i < 5; i++) { | |
setTimeout(function() { | |
console.log(i); | |
}, i * 1000); | |
} | |
for (var i = 1; i < 5; i++) { | |
(function(j) { |
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// =================== Scope ======================= // | |
for (var i = 0; i < 5; i++) { | |
setTimeout(function() { | |
console.log(i); | |
}, 2000); | |
} | |
----------------------------------------------------- | |
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var objA = {foo:"foo"}; | |
var objB = {bar:"bar"}; | |
var objC = {baz:"baz"}; | |
objA.__proto__ = objB; | |
objB.__proto__ = objC; | |
console.log(objA.bar); | |
console.log(objA.baz); |
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// Wriatble Demo | |
var obj = { }; | |
Object.defineProperty(obj, "property1", { | |
value: "foo", | |
writable:true, | |
enumerable:true, | |
configurable:true |
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var firstName = "John"; | |
function foo(){ | |
var firstName = "David"; | |
lastName = "Sheriff"; | |
function bar(){ | |
var lastName = "Stone"; | |
firstName = "Nicola" | |
} |
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const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b]); |
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