docs: cleanup typos (#15936)

docs/src/_data/languages.json

@@ -8,7 +8,7 @@
         {
             "flag": "🇯🇵",
             "code": "jp",
-            "name": "Japenese – 日本語",
+            "name": "Japanese - 日本語",
             "url": "https://jp.eslint.org"
         },
         {

docs/src/assets/js/focus-visible.js

@@ -224,7 +224,7 @@ function applyFocusVisiblePolyfill(scope) {
   }
 
   /**
-   * When the polfyill first loads, assume the user is in keyboard modality.
+   * When the polyfill first loads, assume the user is in keyboard modality.
    * If any event is received from a pointing device (e.g. mouse, pointer,
    * touch), turn off keyboard modality.
    * This accounts for situations where focus enters the page from the URL bar.

docs/src/developer-guide/nodejs-api.md

@@ -289,7 +289,7 @@ This method loads a formatter. Formatters convert lint results to a human- or ma
   The path to the file you want to check. The following values are allowed:
     * `undefined`. In this case, loads the `"stylish"` built-in formatter.
     * A name of [built-in formatters][builtin-formatters].
-    * A name of [third-party formatters][thirdparty-formatters]. For examples:
+    * A name of [third-party formatters][third-party-formatters]. For examples:
         * `"foo"` will load `eslint-formatter-foo`.
         * `"@foo"` will load `@foo/eslint-formatter`.
         * `"@foo/bar"` will load `@foo/eslint-formatter-bar`.
@@ -954,7 +954,7 @@ ruleTester.run("my-rule", myRule, {
 
 [configuration object]: ../user-guide/configuring
 [builtin-formatters]: https://eslint.org/docs/user-guide/formatters/
-[thirdparty-formatters]: https://www.npmjs.com/search?q=eslintformatter
+[third-party-formatters]: https://www.npmjs.com/search?q=eslintformatter
 [eslint]: #eslint-class
 [eslint-constructor]: #-new-eslintoptions
 [eslint-lintfiles]: #-eslintlintfilespatterns

docs/src/rules/eol-last.md

@@ -28,7 +28,7 @@ Examples of **incorrect** code for this rule:
 ```js
 /*eslint eol-last: ["error", "always"]*/
 
-function doSmth() {
+function doSomething() {
   var foo = 2;
 }
 ```
@@ -38,7 +38,7 @@ Examples of **correct** code for this rule:
 ```js
 /*eslint eol-last: ["error", "always"]*/
 
-function doSmth() {
+function doSomething() {
   var foo = 2;
 }\n
 ```

docs/src/rules/key-spacing.md

@@ -305,7 +305,7 @@ var obj = {
     "myObjectFunction": function() {
         // Do something
         //
-    }, // These are two separate groups, so no alignment between `myObjectFuction` and `one`
+    }, // These are two separate groups, so no alignment between `myObjectFunction` and `one`
     "one"   : 1,
     "seven" : 7 // `one` and `seven` are in their own group, and therefore aligned
 }