function k(v){
let s = "";
if(v !== "") {
s = v;
} else {
v = s;
}
console.log(s); // 2
k("");
}
k(2);how to output 2
after that
function k(v){
let s = "";
if(v !== "") {
s = v;
} else {
v = s;
}
console.log(s); // 2
k("");
}
k(2);how to output 2
after that {
let s = ''; //
function k(v) {
if (v !== '') {
s = v;
} else {
v = s;
}
console.log(s);
k('');
}
}
k(2);function k(v){
let s = '';
if(v !== '') {
s = v;
} else {
v = s;
}
console.log(s); // 2
k('');
}k (2); execute the function
here the value executed to internal v is 2% s =';
executes assignment: s = 2;
executes function k ('');
executes value to internal v is also'';
executes assignment v = s v and s are both'';
recursive loop v = s v and s are both';
let arr = [];
function k(v) {
arr.push(v);
let s = '';
if (arr[0] !== '') {
s = arr[0];
} else {
arr[0] = s;
}
console.log(s); // 2
k('');
}
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