docs: update namespace TypeScript declarations

PR-URL: #6478
Reviewed-by: Athan Reines <[email protected]>

Author: stdlib-bot

lib/node_modules/@stdlib/array/base/docs/types/index.d.ts

@@ -2856,9 +2856,13 @@ interface Namespace {
 	*
 	* ## Notes
 	*
+	* -   The function uses the [SameValue Algorithm][ecma-262-same-value-algorithm], as specified in ECMAScript 5.
+	* -   In contrast to the strict equality operator `===`, `-0` and `+0` are distinguishable and `NaNs` are the same.
 	* -   If unable to find an element which equals a provided search element, the function returns `-1`.
 	* -   If `fromIndex` is less than zero, the starting index is resolved relative to the last array element, with the last array element corresponding to `fromIndex = -1`.
 	*
+	* [ecma-262-same-value-algorithm]: http://ecma-international.org/ecma-262/5.1/#sec-9.12
+	*
 	* @param x - input array
 	* @param searchElement - search element
 	* @param fromIndex - starting index (inclusive)
@@ -2979,10 +2983,14 @@ interface Namespace {
 	*
 	* ## Notes
 	*
+	* -   The function uses the [SameValue Algorithm][ecma-262-same-value-algorithm], as specified in ECMAScript 5.
+	* -   In contrast to the strict equality operator `===`, `-0` and `+0` are distinguishable and `NaNs` are the same.
 	* -   The function scans an input array from the starting index to the beginning of the array (i.e., backward).
 	* -   If unable to find an element which equals a provided search element, the function returns `-1`.
 	* -   If `fromIndex` is less than zero, the starting index is resolved relative to the last array element, with the last array element corresponding to `fromIndex = -1`.
 	*
+	* [ecma-262-same-value-algorithm]: http://ecma-international.org/ecma-262/5.1/#sec-9.12
+	*
 	* @param x - input array
 	* @param searchElement - search element
 	* @param fromIndex - starting index (inclusive)