what is closure in javascript
function OuterFunction() {
var outerVariable = 100;
function InnerFunction() {
alert(outerVariable);
}
return InnerFunction;
}
var innerFunc = OuterFunction();what is closure in javascript
function OuterFunction() {
var outerVariable = 100;
function InnerFunction() {
alert(outerVariable);
}
return InnerFunction;
}
var innerFunc = OuterFunction();A closure Function
var returns_a_func = function () {
var word = 'I can see inside ' function sentence(){ var word2 = 'I can also see outside. ' console.log(word + 'and ' + word2) } return sentence;
}var finalSentence = returns_a_func()finalSentence()what is a closure in javascript
//Closures are the inner functions that are embedded in parent function
function getName(){
// print name function is the closure since it is child function of getName
function printName(){
return 'Kevin'
}
// return our function definition
return printName;
}
const checkNames = getName();
console.log(checkNames());Copyright © 2021 Codeinu
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