diff --git a/1-js/02-first-steps/10-ifelse/1-if-zero-string/solution.md b/1-js/02-first-steps/10-ifelse/1-if-zero-string/solution.md
@@ -1,12 +1,12 @@
-**بله اجرا می شود.**

-هر رشته به جز رشته خالی (`"0"` خالی نیست!) از نظر منطقی true ارزیابی می شود.

-می توانیم این تکه کد را اجرا کنیم و مورد بالا را بررسی کنیم:

```js run
if ("0") {
-  alert( 'Hello' );
}
```

diff --git a/1-js/02-first-steps/10-ifelse/1-if-zero-string/task.md b/1-js/02-first-steps/10-ifelse/1-if-zero-string/task.md
@@ -2,13 +2,13 @@ importance: 5

---

-# if (بررسی رشته با مقدار صفر)

-آیا `alert` اجرا می شود؟

```js
if ("0") {
-  alert( 'Hello' );
}
```

diff --git a/1-js/02-first-steps/10-ifelse/2-check-standard/task.md b/1-js/02-first-steps/10-ifelse/2-check-standard/task.md
@@ -2,12 +2,12 @@ importance: 2

---

-# The name of JavaScript

-Using the `if..else` construct, write the code which asks: 'What is the "official" name of JavaScript?'

-If the visitor enters "ECMAScript", then output "Right!", otherwise -- output: "You don't know? ECMAScript!"

![](ifelse_task2.svg)

-[demo src="ifelse_task2"]
diff --git a/1-js/02-first-steps/10-ifelse/3-sign/solution.md b/1-js/02-first-steps/10-ifelse/3-sign/solution.md
@@ -1,7 +1,7 @@


```js run
-let value = prompt('Type a number', 0);

if (value > 0) {
  alert( 1 );

diff --git a/1-js/02-first-steps/10-ifelse/3-sign/task.md b/1-js/02-first-steps/10-ifelse/3-sign/task.md
@@ -2,14 +2,14 @@ importance: 2

---

-# Show the sign

-Using `if..else`, write the code which gets a number via `prompt` and then shows in `alert`:

-- `1`, if the value is greater than zero,
-- `-1`, if less than zero,
-- `0`, if equals zero.

-In this task we assume that the input is always a number.

-[demo src="if_sign"]
diff --git a/1-js/02-first-steps/10-ifelse/5-rewrite-if-question/task.md b/1-js/02-first-steps/10-ifelse/5-rewrite-if-question/task.md
@@ -2,9 +2,9 @@ importance: 5

---

-# Rewrite 'if' into '?'

-Rewrite this `if` using the conditional operator `'?'`:

```js
let result;

diff --git a/1-js/02-first-steps/10-ifelse/6-rewrite-if-else-question/solution.md b/1-js/02-first-steps/10-ifelse/6-rewrite-if-else-question/solution.md
@@ -1,9 +1,9 @@


```js
-let message = (login == 'Employee') ? 'Hello' :
-  (login == 'Director') ? 'Greetings' :
-  (login == '') ? 'No login' :
  '';
```

diff --git a/1-js/02-first-steps/10-ifelse/6-rewrite-if-else-question/task.md b/1-js/02-first-steps/10-ifelse/6-rewrite-if-else-question/task.md
@@ -2,21 +2,21 @@ importance: 5

---

-# Rewrite 'if..else' into '?'

-Rewrite `if..else` using multiple ternary operators `'?'`.

-For readability, it's recommended to split the code into multiple lines.

```js
let message;

-if (login == 'Employee') {
-  message = 'Hello';
-} else if (login == 'Director') {
-  message = 'Greetings';
} else if (login == '') {
-  message = 'No login';
} else {
  message = '';
}
-Original file line number
+Diff line change
@@ @@ -2,9 +2,9 @@ importance: 5 @@
     ---
-    # Rewrite 'if' into '?'
-    Rewrite this `if` using the conditional operator `'?'`:
     ```js
     let result;
@@ Expand Down @@