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clsr.js
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67 lines (59 loc) · 1.02 KB
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// ------------1------------
// LET BLOCK
// for(var i=1;i<=5;i++){
// // setTimeout(function(){
// // console.log(i);
// // },i*1000)
// }
// for(var i=1;i<=5;i++){
// test(i);
// }
// function test(i){
// setTimeout(function(){
// console.log(i);
// },i*1000)
// }
// -----------2--------------
//2.1
// f2 form clouse with f1, f3->f2&f1
function f1(){
var a= 4;
function f2(){
var b=a;
// console.log(c);
function f3(){
console.log(b);
}
f3();
}
f2();
}
f1();
// 2.2 NO closure is formed Why?
function f1(){
var a= 4;
function f2(){
// var b=a;
// console.log(c);
function f3(){
// console.log(a);
}
f3();
}
f2();
}
f1();
// 2.3 Why clouser f3->f1 is formed?
function f1(){
var a= 4;
function f2(){
var b=a;
// console.log(c);
function f3(){
// console.log(a);
}
f3();
}
f2();
}
f1();