fix(guide) add stubs, update spellings and prepare for move (#36531)

* fix(guide) add stubs and correct file path misspellings and pr… (#36528)

* fix: corrected file path to match curriculum

* fix: renamed to newer challenge name

* fix: added solutions to articles from challenge files

* fix: added missing .english to file name

* fix: added missing title to guide article

* fix: correct solution for guide article

* fix: replaced stub with hint

* fix: added space in Hint headers

* fix: added solution to guide article

* fix: added solution to guide article

* test: replaced stub with hint and solution

* fix: add Problem number: to title

* fix: changed generatorexponential to correct name

* fix: renamed knight's tour to knights-tour

* fix: updated guide article

guide/english/certifications/front-end-libraries/jquery/target-even-elements-using-jquery/index.md

@@ -3,8 +3,65 @@ title: Target Even Elements Using jQuery
 ---
 # Target Even Elements Using jQuery
 
-This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/front-end-libraries/jquery/target-even-elements-using-jquery/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+## Hints
 
-<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+### Hint # 1
+Here's how you would target all the `odd-numbered` elements with class target and give them classes:
 
-<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+```javascript
+$('.target:odd').addClass('animated shake');
+```
+
+This will shake all the even ones:
+
+```javascript
+$('.target:even').addClass("shake");
+```
+The right way to do it would be $ `("button: even")` ...
+
+## Solutions
+
+<details><summary>Solution 1 (Click to Show/Hide)</summary>
+
+```html
+<script>
+  $(document).ready(function() {
+    $("#target1").css("color", "red");
+    $("#target1").prop("disabled", true);
+    $("#target4").remove();
+    $("#target2").appendTo("#right-well");
+    $("#target5").clone().appendTo("#left-well");
+    $("#target1").parent().css("background-color", "red");
+    $("#right-well").children().css("color", "orange");
+    $("#left-well").children().css("color", "green");
+    $(".target:nth-child(2)").addClass("animated bounce");
+    $(".target:even").addClass("animated shake");
+  });
+</script>
+
+<!-- Only change code above this line. -->
+
+<div class="container-fluid">
+  <h3 class="text-primary text-center">jQuery Playground</h3>
+  <div class="row">
+    <div class="col-xs-6">
+      <h4>#left-well</h4>
+      <div class="well" id="left-well">
+        <button class="btn btn-default target" id="target1">#target1</button>
+        <button class="btn btn-default target" id="target2">#target2</button>
+        <button class="btn btn-default target" id="target3">#target3</button>
+      </div>
+    </div>
+    <div class="col-xs-6">
+      <h4>#right-well</h4>
+      <div class="well" id="right-well">
+        <button class="btn btn-default target" id="target4">#target4</button>
+        <button class="btn btn-default target" id="target5">#target5</button>
+        <button class="btn btn-default target" id="target6">#target6</button>
+      </div>
+    </div>
+  </div>
+</div>
+```
+
+</details>