diff --git a/quickjs.c b/quickjs.c
index c6fcd5a..b0253a4 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -36440,13 +36440,21 @@ static JSValue js_array_lastIndexOf(JSContext *ctx, JSValueConst this_val,
     return JS_EXCEPTION;
 }
 
+enum {
+    ArrayFind,
+    ArrayFindIndex,
+    ArrayFindLast,
+    ArrayFindLastIndex,
+};
+
 static JSValue js_array_find(JSContext *ctx, JSValueConst this_val,
-                             int argc, JSValueConst *argv, int findIndex)
+                             int argc, JSValueConst *argv, int mode)
 {
     JSValueConst func, this_arg;
     JSValueConst args[3];
     JSValue obj, val, index_val, res;
-    int64_t len, k;
+    int64_t len, k, end;
+    int dir;
 
     index_val = JS_UNDEFINED;
     val = JS_UNDEFINED;
@@ -36462,7 +36470,17 @@ static JSValue js_array_find(JSContext *ctx, JSValueConst this_val,
     if (argc > 1)
         this_arg = argv[1];
 
-    for(k = 0; k < len; k++) {
+    k = 0;
+    dir = 1;
+    end = len;
+    if (mode == ArrayFindLast || mode == ArrayFindLastIndex) {
+        k = len - 1;
+        dir = -1;
+        end = -1;
+    }
+
+    // TODO(bnoordhuis) add fast path for fast arrays
+    for(; k != end; k += dir) {
         index_val = JS_NewInt64(ctx, k);
         if (JS_IsException(index_val))
             goto exception;
@@ -36476,7 +36494,7 @@ static JSValue js_array_find(JSContext *ctx, JSValueConst this_val,
         if (JS_IsException(res))
             goto exception;
         if (JS_ToBoolFree(ctx, res)) {
-            if (findIndex) {
+            if (mode == ArrayFindIndex || mode == ArrayFindLastIndex) {
                 JS_FreeValue(ctx, val);
                 JS_FreeValue(ctx, obj);
                 return index_val;
@@ -36490,7 +36508,7 @@ static JSValue js_array_find(JSContext *ctx, JSValueConst this_val,
         JS_FreeValue(ctx, index_val);
     }
     JS_FreeValue(ctx, obj);
-    if (findIndex)
+    if (mode == ArrayFindIndex || mode == ArrayFindLastIndex)
         return JS_NewInt32(ctx, -1);
     else
         return JS_UNDEFINED;
@@ -37542,8 +37560,10 @@ static const JSCFunctionListEntry js_array_proto_funcs[] = {
     JS_CFUNC_MAGIC_DEF("reduce", 1, js_array_reduce, special_reduce ),
     JS_CFUNC_MAGIC_DEF("reduceRight", 1, js_array_reduce, special_reduceRight ),
     JS_CFUNC_DEF("fill", 1, js_array_fill ),
-    JS_CFUNC_MAGIC_DEF("find", 1, js_array_find, 0 ),
-    JS_CFUNC_MAGIC_DEF("findIndex", 1, js_array_find, 1 ),
+    JS_CFUNC_MAGIC_DEF("find", 1, js_array_find, ArrayFind ),
+    JS_CFUNC_MAGIC_DEF("findIndex", 1, js_array_find, ArrayFindIndex ),
+    JS_CFUNC_MAGIC_DEF("findLast", 1, js_array_find, ArrayFindLast ),
+    JS_CFUNC_MAGIC_DEF("findLastIndex", 1, js_array_find, ArrayFindLastIndex ),
     JS_CFUNC_DEF("indexOf", 1, js_array_indexOf ),
     JS_CFUNC_DEF("lastIndexOf", 1, js_array_lastIndexOf ),
     JS_CFUNC_DEF("includes", 1, js_array_includes ),
@@ -47104,6 +47124,8 @@ void JS_AddIntrinsicBaseObjects(JSContext *ctx)
             "fill" "\0"
             "find" "\0"
             "findIndex" "\0"
+            "findLast" "\0"
+            "findLastIndex" "\0"
             "flat" "\0"
             "flatMap" "\0"
             "includes" "\0"
diff --git a/test262.conf b/test262.conf
index 09151f4..cdf622f 100644
--- a/test262.conf
+++ b/test262.conf
@@ -55,7 +55,7 @@ __setter__
 AggregateError
 align-detached-buffer-semantics-with-web-reality
 arbitrary-module-namespace-names=skip
-array-find-from-last=skip
+array-find-from-last
 array-grouping=skip
 Array.fromAsync=skip
 Array.prototype.at
diff --git a/test262_errors.txt b/test262_errors.txt
index b0d2d6f..cb8a5b3 100644
--- a/test262_errors.txt
+++ b/test262_errors.txt
@@ -187,6 +187,102 @@ test262/test/built-ins/RegExp/prototype/Symbol.replace/get-unicode-error.js:26:
 test262/test/built-ins/RegExp/prototype/Symbol.replace/get-unicode-error.js:26: strict mode: Test262Error: Expected a Test262Error to be thrown but no exception was thrown at all
 test262/test/built-ins/String/prototype/localeCompare/15.5.4.9_CE.js:62: Test262Error: String.prototype.localeCompare considers ö (\u006f\u0308) ≠ ö (\u00f6).
 test262/test/built-ins/String/prototype/localeCompare/15.5.4.9_CE.js:62: strict mode: Test262Error: String.prototype.localeCompare considers ö (\u006f\u0308) ≠ ö (\u00f6).
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/get-length-ignores-length-prop.js:40: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/get-length-ignores-length-prop.js:40: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-call-changes-value.js:30: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-call-changes-value.js:30: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-call-parameters.js:28: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-call-parameters.js:28: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-call-this-non-strict.js:27: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-call-this-strict.js:25: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-may-detach-buffer.js:36: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-may-detach-buffer.js:36: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-not-called-on-empty-array.js:25: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/predicate-not-called-on-empty-array.js:25: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/return-abrupt-from-predicate-call.js:22: Test262Error: Expected a Test262Error but got a TypeError (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/return-abrupt-from-predicate-call.js:22: strict mode: Test262Error: Expected a Test262Error but got a TypeError (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/return-found-value-predicate-result-is-true.js:27: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/return-found-value-predicate-result-is-true.js:27: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/return-undefined-if-predicate-returns-false-value.js:27: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/BigInt/return-undefined-if-predicate-returns-false-value.js:27: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/get-length-ignores-length-prop.js:39: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/get-length-ignores-length-prop.js:39: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/invoked-as-func.js:21: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLast/invoked-as-func.js:21: strict mode: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLast/invoked-as-method.js:21: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLast/invoked-as-method.js:21: strict mode: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLast/length.js:26: TypeError: cannot read property 'length' of undefined
+test262/test/built-ins/TypedArray/prototype/findLast/length.js:26: strict mode: TypeError: cannot read property 'length' of undefined
+test262/test/built-ins/TypedArray/prototype/findLast/name.js:23: TypeError: cannot read property 'name' of undefined
+test262/test/built-ins/TypedArray/prototype/findLast/name.js:23: strict mode: TypeError: cannot read property 'name' of undefined
+test262/test/built-ins/TypedArray/prototype/findLast/not-a-constructor.js:25: Test262Error: isConstructor invoked with a non-function value
+test262/test/built-ins/TypedArray/prototype/findLast/not-a-constructor.js:25: strict mode: Test262Error: isConstructor invoked with a non-function value
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-call-changes-value.js:30: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-call-changes-value.js:30: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-call-parameters.js:28: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-call-parameters.js:28: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-call-this-non-strict.js:27: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-call-this-strict.js:25: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js:36: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js:36: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-not-called-on-empty-array.js:25: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/predicate-not-called-on-empty-array.js:25: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/prop-desc.js:15: Test262Error: obj should have an own property findLast
+test262/test/built-ins/TypedArray/prototype/findLast/prop-desc.js:15: strict mode: Test262Error: obj should have an own property findLast
+test262/test/built-ins/TypedArray/prototype/findLast/return-abrupt-from-predicate-call.js:22: Test262Error: Expected a Test262Error but got a TypeError (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/return-abrupt-from-predicate-call.js:22: strict mode: Test262Error: Expected a Test262Error but got a TypeError (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/return-found-value-predicate-result-is-true.js:27: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/return-found-value-predicate-result-is-true.js:27: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/return-undefined-if-predicate-returns-false-value.js:27: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLast/return-undefined-if-predicate-returns-false-value.js:27: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/get-length-ignores-length-prop.js:40: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/get-length-ignores-length-prop.js:40: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-call-changes-value.js:29: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-call-changes-value.js:29: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-call-parameters.js:29: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-call-parameters.js:29: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-call-this-non-strict.js:29: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-call-this-strict.js:27: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-may-detach-buffer.js:35: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-may-detach-buffer.js:35: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-not-called-on-empty-array.js:29: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/predicate-not-called-on-empty-array.js:29: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-abrupt-from-predicate-call.js:21: Test262Error: Expected a Test262Error but got a TypeError (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-abrupt-from-predicate-call.js:21: strict mode: Test262Error: Expected a Test262Error but got a TypeError (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-index-predicate-result-is-true.js:28: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-index-predicate-result-is-true.js:28: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js:28: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js:28: strict mode: TypeError: not a function (Testing with BigInt64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js:40: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js:40: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/invoked-as-func.js:23: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLastIndex/invoked-as-func.js:23: strict mode: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLastIndex/invoked-as-method.js:23: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLastIndex/invoked-as-method.js:23: strict mode: Test262Error: Expected SameValue(«undefined», «function») to be true
+test262/test/built-ins/TypedArray/prototype/findLastIndex/length.js:26: TypeError: cannot read property 'length' of undefined
+test262/test/built-ins/TypedArray/prototype/findLastIndex/length.js:26: strict mode: TypeError: cannot read property 'length' of undefined
+test262/test/built-ins/TypedArray/prototype/findLastIndex/name.js:23: TypeError: cannot read property 'name' of undefined
+test262/test/built-ins/TypedArray/prototype/findLastIndex/name.js:23: strict mode: TypeError: cannot read property 'name' of undefined
+test262/test/built-ins/TypedArray/prototype/findLastIndex/not-a-constructor.js:25: Test262Error: isConstructor invoked with a non-function value
+test262/test/built-ins/TypedArray/prototype/findLastIndex/not-a-constructor.js:25: strict mode: Test262Error: isConstructor invoked with a non-function value
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-call-changes-value.js:29: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-call-changes-value.js:29: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-call-parameters.js:29: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-call-parameters.js:29: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-call-this-non-strict.js:29: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-call-this-strict.js:27: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js:35: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js:35: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-not-called-on-empty-array.js:29: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/predicate-not-called-on-empty-array.js:29: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/prop-desc.js:15: Test262Error: obj should have an own property findLastIndex
+test262/test/built-ins/TypedArray/prototype/findLastIndex/prop-desc.js:15: strict mode: Test262Error: obj should have an own property findLastIndex
+test262/test/built-ins/TypedArray/prototype/findLastIndex/return-abrupt-from-predicate-call.js:21: Test262Error: Expected a Test262Error but got a TypeError (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/return-abrupt-from-predicate-call.js:21: strict mode: Test262Error: Expected a Test262Error but got a TypeError (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/return-index-predicate-result-is-true.js:28: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/return-index-predicate-result-is-true.js:28: strict mode: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/return-negative-one-if-predicate-returns-false-value.js:28: TypeError: not a function (Testing with Float64Array.)
+test262/test/built-ins/TypedArray/prototype/findLastIndex/return-negative-one-if-predicate-returns-false-value.js:28: strict mode: TypeError: not a function (Testing with Float64Array.)
 test262/test/built-ins/TypedArray/prototype/set/array-arg-targetbuffer-detached-on-get-src-value-no-throw.js:30: TypeError: out-of-bound numeric index (Testing with Float64Array.)
 test262/test/built-ins/TypedArray/prototype/set/array-arg-targetbuffer-detached-on-get-src-value-no-throw.js:30: strict mode: TypeError: out-of-bound numeric index (Testing with Float64Array.)
 test262/test/built-ins/TypedArray/prototype/sort/sort-tonumber.js:30: TypeError: ArrayBuffer is detached (Testing with Float64Array.)