Unify wording (#37691)

* Update index.md * fix others --------- Co-authored-by: Joshua Chen <[email protected]>
mdn · Jan 17, 2025 · 9d3e6e4 · 9d3e6e4
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diff --git a/files/en-us/web/javascript/reference/global_objects/array/find/index.md b/files/en-us/web/javascript/reference/global_objects/array/find/index.md
@@ -86,9 +86,9 @@ const result = inventory.find(({ name }) => name === "cherries");
 console.log(result); // { name: 'cherries', quantity: 5 }
 ```
 
-### Find a prime number in an array
+### Find the first prime number in an array
 
-The following example finds an element in the array that is a prime number (or returns {{jsxref("undefined")}} if there is no prime number):
+The following example returns the first element in the array that is a prime number, or {{jsxref("undefined")}} if there is no prime number.
 
 ```js
 function isPrime(element, index, array) {

diff --git a/files/en-us/web/javascript/reference/global_objects/array/findindex/index.md b/files/en-us/web/javascript/reference/global_objects/array/findindex/index.md
@@ -48,7 +48,7 @@ The `findIndex()` method is [generic](/en-US/docs/Web/JavaScript/Reference/Globa
 
 ## Examples
 
-### Find the index of a prime number in an array
+### Find the index of the first prime number in an array
 
 The following example returns the index of the first element in the array that is a prime number, or `-1` if there is no prime number.
 

diff --git a/files/en-us/web/javascript/reference/global_objects/typedarray/find/index.md b/files/en-us/web/javascript/reference/global_objects/typedarray/find/index.md
@@ -42,9 +42,9 @@ See {{jsxref("Array.prototype.find()")}} for more details. This method is not ge
 
 ## Examples
 
-### Find a prime number in a typed array
+### Find the first prime number in a typed array
 
-The following example finds an element in the typed array that is a prime number (or returns {{jsxref("undefined")}} if there is no prime number).
+The following example returns the first element in the typed array that is a prime number, or {{jsxref("undefined")}} if there is no prime number.
 
 ```js
 function isPrime(element, index, array) {

diff --git a/files/en-us/web/javascript/reference/global_objects/typedarray/findindex/index.md b/files/en-us/web/javascript/reference/global_objects/typedarray/findindex/index.md
@@ -41,10 +41,9 @@ See {{jsxref("Array.prototype.findIndex()")}} for more details. This method is n
 
 ## Examples
 
-### Find the index of a prime number in a typed array
+### Find the index of the first prime number in a typed array
 
-The following example finds the index of an element in the typed array that is a prime
-number (or returns `-1` if there is no prime number).
+The following example returns the index of the first element in the typed array that is a prime number, or `-1` if there is no prime number.
 
 ```js
 function isPrime(element, index, array) {

diff --git a/files/en-us/web/javascript/reference/global_objects/typedarray/findlast/index.md b/files/en-us/web/javascript/reference/global_objects/typedarray/findlast/index.md
@@ -43,7 +43,7 @@ See {{jsxref("Array.prototype.findLast()")}} for more details. This method is no
 
 ### Find the last prime number in a typed array
 
-The following example returns the value of the last element in the typed array that is a prime number, or {{jsxref("undefined")}} if there is no prime number.
+The following example returns the last element in the typed array that is a prime number, or {{jsxref("undefined")}} if there is no prime number.
 
 ```js
 function isPrime(element) {