doc: add examples at assert.strictEqual

PR-URL: #28092
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

doc/api/assert.md

@@ -1065,6 +1065,14 @@ assert.strictEqual('Hello foobar', 'Hello World!');
 // + 'Hello foobar'
 // - 'Hello World!'
 //          ^
+
+const apples = 1;
+const oranges = 2;
+assert.strictEqual(apples, oranges, `apples ${apples} !== oranges ${oranges}`);
+// AssertionError [ERR_ASSERTION]: apples 1 !== oranges 2
+
+assert.strictEqual(1, '1', new TypeError('Inputs are not identical'));
+// TypeError: Inputs are not identical
 ```
 
 If the values are not strictly equal, an `AssertionError` is thrown with a