chore(i18n,learn): processed translations (#45235)

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/explore-differences-between-the-var-and-let-keywords.md

@@ -42,19 +42,19 @@ let camper = "David";
 `var` 不应存在于代码中。
 
 ```js
-(getUserInput) => assert(!getUserInput('index').match(/var/g));
+assert.notMatch(code, /var/g);
 ```
 
 `catName` 应该是字符串 `Oliver`。
 
 ```js
-assert(catName === 'Oliver');
+assert.equal(catName, 'Oliver');
 ```
 
 `catSound` 应该是字符串 `Meow!`
 
 ```js
-assert(catSound === 'Meow!');
+assert.equal(catSound, 'Meow!');
 ```
 
 # --seed--