Enhance compare function docs (#32310)

* Enhance compare function docs

* Some rewrites

---------

Co-authored-by: Joshua Chen <sidachen2003@gmail.com>

files/en-us/web/javascript/reference/global_objects/array/sort/index.md

@@ -27,13 +27,21 @@ sort(compareFn)
 
 - `compareFn` {{optional_inline}}
 
-  - : A function that defines the sort order. The return value should be a number whose sign indicates the relative order of the two elements: negative if `a` is less than `b`, positive if `a` is greater than `b`, and zero if they are equal. `NaN` is treated as `0`. The function is called with the following arguments:
+  - : A function that determines the order of the elements. The function is called with the following arguments:
 
     - `a`
       - : The first element for comparison. Will never be `undefined`.
     - `b`
       - : The second element for comparison. Will never be `undefined`.
 
+    It should return a number where:
+
+    - A negative value indicates that `a` should come before `b`.
+    - A positive value indicates that `a` should come after `b`.
+    - Zero or `NaN` indicates that `a` and `b` are considered equal.
+
+    To memorize this, remember that `(a, b) => a - b` sorts numbers in ascending order.
+
     If omitted, the array elements are converted to strings, then sorted according to each character's Unicode code point value.
 
 ### Return value

files/en-us/web/javascript/reference/global_objects/array/tosorted/index.md

@@ -19,13 +19,7 @@ toSorted(compareFn)
 ### Parameters
 
 - `compareFn` {{optional_inline}}
-
-  - : Specifies a function that defines the sort order. If omitted, the array elements are converted to strings, then sorted according to each character's Unicode code point value.
-
-    - `a`
-      - : The first element for comparison.
-    - `b`
-      - : The second element for comparison.
+  - : A function that determines the order of the elements. If omitted, the array elements are converted to strings, then sorted according to each character's Unicode code point value. See {{jsxref("Array/sort", "sort()")}} for more information.
 
 ### Return value
 

files/en-us/web/javascript/reference/global_objects/typedarray/sort/index.md

@@ -22,12 +22,20 @@ sort(compareFn)
 
 - `compareFn` {{optional_inline}}
 
-  - : A function that defines the sort order. The return value should be a number whose sign indicates the relative order of the two elements: negative if `a` is less than `b`, positive if `a` is greater than `b`, and zero if they are equal. `NaN` is treated as `0`. The function is called with the following arguments:
+  - : A function that determines the order of the elements. The function is called with the following arguments:
 
     - `a`
-      - : The first element for comparison. Will never be `undefined`.
+      - : The first element for comparison.
     - `b`
-      - : The second element for comparison. Will never be `undefined`.
+      - : The second element for comparison.
+
+    It should return a number where:
+
+    - A negative value indicates that `a` should come before `b`.
+    - A positive value indicates that `a` should come after `b`.
+    - Zero or `NaN` indicates that `a` and `b` are considered equal.
+
+    To memorize this, remember that `(a, b) => a - b` sorts numbers in ascending order.
 
     If omitted, the typed array elements are sorted according to numeric value.
 

files/en-us/web/javascript/reference/global_objects/typedarray/tosorted/index.md

@@ -20,12 +20,7 @@ toSorted(compareFn)
 
 - `compareFn` {{optional_inline}}
 
-  - : Specifies a function that defines the sort order. If omitted, the typed array elements are sorted according to numeric value.
-
-    - `a`
-      - : The first element for comparison.
-    - `b`
-      - : The second element for comparison.
+  - : A function that determines the order of the elements. If omitted, the typed array elements are sorted according to numeric value. See {{jsxref("TypedArray/sort", "sort()")}} for more information.
 
 ### Return value