🤦

README.md

@@ -21,13 +21,25 @@ Commonly, [`.slice`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Ref
 ```js
 // removePrefix
 let str = 'greninja'
-str.slice('gren'.length - 1)
+<<<<<<< Updated upstream
+str.slice('gre'.length)
 // => ninja
+=======
+let substr = 'gren'
+if (str.startsWith(substr)) {
+  str.slice(substr.length - 1)
+  // => ninja
+}
+
+>>>>>>> Stashed changes
 
 // removeSuffix
 let str = 'charizard'
-str.slice(0, str.length - 'izard'.length)
-// => char
+let substr = 'izard'
+if (str.endsWith(substr)) {
+  str.slice(0, str.length - 'substr'.length)
+  // => char
+}
 ```
 
 This approach is difficult to read (especially when nested/repeated) and not semantic.
@@ -39,14 +51,14 @@ let str = 'mudkip'
 str.replace(/kip$/, '')
 ```
 
-This isn't performant [jsPerf](https://jsperf.app/haxumu) and requires knowledge of regular expressions.
+This isn't performant [jsPerf](https://jsperf.app/haxumu/2) and requires knowledge of regular expressions.
 
 ## Proposed Solution
 
 We propose adding `String.prototype.removePrefix` and `String.prototype.removeSuffix` to the String prototype.
 
 ```js
-'greninja'.removePrefix('gren')
+'greninja'.removePrefix('gre')
 // => ninja
 
 'charizard'.removeSuffix('izard')