fix: HTML Validation issues

files/en-us/glossary/iife/index.html

@@ -26,16 +26,16 @@
 <h2 id="use_cases">Use cases</h2>
 
 <h3 id="avoid_polluting_the_global_namespace">Avoid polluting the global namespace</h3>
-<p>Because our application could include many functions and global variables from different source files, it's 
+<p>Because our application could include many functions and global variables from different source files, it's
 important to limit the number of global variables. If we have some initiation code that we don't need to use
-again, we could use the IIFE pattern. As we will not reuse the code again, using IIFE in this case is better than 
+again, we could use the IIFE pattern. As we will not reuse the code again, using IIFE in this case is better than
 using a function declaration or a function expression.</p>
 
 <pre class="brush: js">
 (function () {
-  // some initiation code 
+  // some initiation code
   let firstVariable;
-  let secondVariable; 
+  let secondVariable;
 })();
 
 // firstVariable and secondVariable will be discarded after the function is executed.</pre>
@@ -49,7 +49,7 @@ <h3 id="the_module_pattern">The module pattern</h3>
 const makeWithdraw = balance => (function(copyBalance) {
   let balance = copyBalance; // This variable is private
   let doBadThings = function() {
-    console.log("I will do bad things with your money");      
+    console.log("I will do bad things with your money");
   };
   doBadThings();
   return {
@@ -60,28 +60,28 @@ <h3 id="the_module_pattern">The module pattern</h3>
       } else {
         return "Insufficient money";
       }
-    }, 
+    },
   }
 })(balance);
 
 const firstAccount = makeWithdraw(100); // "I will do bad things with your money"
 console.log(firstAccount.balance); // undefined
 console.log(firstAccount.withdraw(20)); // 80
 console.log(firstAccount.withdraw(30)); // 50
-console.log(firstAccount.doBadThings); // undefined, this method is private  
+console.log(firstAccount.doBadThings); // undefined, this method is private
 const secondAccount = makeWithdraw(20);
 secondAccount.withdraw(30); // "Insufficient money"
 secondAccount.withdraw(20);  // 0</pre>
 
 <h3 id="for_loop_with_var_before_es6">For loop with var before ES6</h3>
 
-<p>We could see the following use of IIFE in some old code, before the introduction of the statements <strong>let</strong> and <strong>const</strong> 
-in <strong>ES6</strong> and the block scope. With the statement <strong>var</strong>, we have only function scopes and the global scope. 
+<p>We could see the following use of IIFE in some old code, before the introduction of the statements <strong>let</strong> and <strong>const</strong>
+in <strong>ES6</strong> and the block scope. With the statement <strong>var</strong>, we have only function scopes and the global scope.
 Suppose we want to create 2 buttons with the texts Button 0 and Button 1 and we click
 them, we would like them to alert 0 and 1. The following code doesn't work:</p>
 
 <pre class="brush: js">
-for (var i = 0; i < 2; i++) {
+for (var i = 0; i &lt; 2; i++) {
   const button = document.createElement("button");
   button.innerText = "Button " + i;
   button.onclick = function () {
@@ -91,11 +91,11 @@ <h3 id="for_loop_with_var_before_es6">For loop with var before ES6</h3>
 }
 console.log(i); // 2</pre>
 
-<p>When clicked, both Button 0 and Button 1 alert 2 because <code>i</code> is global, 
+<p>When clicked, both Button 0 and Button 1 alert 2 because <code>i</code> is global,
 with the last value 2. To fix this problem before ES6, we could use the IIFE pattern:</p>
 
 <pre class="brush: js">
-for (var i = 0; i < 2; i++) {
+for (var i = 0; i &lt; 2; i++) {
   const button = document.createElement("button");
   button.innerText = "Button " + i;
   button.onclick = (function (copyOfI) {
@@ -105,12 +105,12 @@ <h3 id="for_loop_with_var_before_es6">For loop with var before ES6</h3>
 }
 console.log(i); // 2</pre>
 
-<p>When clicked, Buttons 0 and 1 alert 0 and 1. 
-The variable <code>i</code> is globally defined. 
+<p>When clicked, Buttons 0 and 1 alert 0 and 1.
+The variable <code>i</code> is globally defined.
 Using the statement <strong>let</strong>, we could simply do:</p>
 
 <pre class="brush: js">
-for (let i = 0; i < 2; i++) {
+for (let i = 0; i &lt; 2; i++) {
   const button = document.createElement("button");
   button.innerText = "Button " + i;
   button.onclick = function () {

files/en-us/web/webdriver/capabilities/firefoxoptions/index.html

@@ -112,7 +112,7 @@ <h5 id="prefs_Preferences_object"><code>prefs</code> (Preferences object)</h5>
 <p>Map of preference name to preference value, which can be a string, a boolean or an integer.</p>
 
 <a id="env"></a>
-<h5 id="env_Env_object"><code>env</code> (Env object)</a></h5>
+<h5 id="env_Env_object"><code>env</code> (Env object)</h5>
 
 <p>Map of environment variable name to environment variable value, both of which must be strings.</p>
 

files/en-us/web/webdriver/index.html

@@ -51,7 +51,7 @@ <h2 id="Reference">Reference</h2>
 <div class="column-half">
 <h3 id="Commands">Commands</h3>
 
-<p><a href="/en-US/docs/Web/WebDriver/Commands"></a>Commands</a></p>
+<p><a href="/en-US/docs/Web/WebDriver/Commands">Commands</a></p>
 <p>{{ListSubpages("/en-US/docs/Web/WebDriver/Commands")}}</p>
 
 <h3 id="Types">Types</h3>