diff --git a/guide/chinese/javascript/falsy-values/index.md b/guide/chinese/javascript/falsy-values/index.md
index dce37bfe43..cba89adf61 100644
--- a/guide/chinese/javascript/falsy-values/index.md
+++ b/guide/chinese/javascript/falsy-values/index.md
@@ -19,17 +19,17 @@ if (!variable) {
 ## 一般例子
 
 ```javascript
-var string = ""; // <-- falsy 
- 
- var filledString = "some string in here"; // <-- truthy 
- 
- var zero = 0; // <-- falsy 
- 
- var numberGreaterThanZero // <-- truthy 
- 
- var emptyArray = []; // <-- truthy, we'll explore more about this next 
- 
- var emptyObject = {}; // <-- truthy 
+const string = ""; // <-- falsy
+
+const filledString = "some string in here"; // <-- truthy
+
+const zero = 0; // <-- falsy
+
+let numberGreaterThanZero; // <-- falsy
+
+const emptyArray = []; // <-- truthy, we'll explore more about this next
+
+const emptyObject = {}; // <-- truthy
 ```
 
 ## 有阵列的乐趣
@@ -71,4 +71,4 @@ const match = { teamA: 0, teamB: 1 }
     
 *   [Falsy |词汇表| MDN](https://developer.mozilla.org/en-US/docs/Glossary/Falsy)
     
-*   [Truthy和Falsy：当JavaScript中的所有不相等时](https://www.sitepoint.com/javascript-truthy-falsy/)
\ No newline at end of file
+*   [Truthy和Falsy：当JavaScript中的所有不相等时](https://www.sitepoint.com/javascript-truthy-falsy/)