diff --git a/examples/advanced/custom_argument_parsing.js b/examples/advanced/custom_argument_parsing.js
index 19198b8df3..ea2bc838f4 100644
--- a/examples/advanced/custom_argument_parsing.js
+++ b/examples/advanced/custom_argument_parsing.js
@@ -59,13 +59,13 @@ integrate.transform = function (args, math, scope) {
 
   // create a new scope, linked to the provided scope. We use this new scope
   // to apply the variable.
-  const fnScope = Object.create(scope)
+  const fnScope = new Map(scope)
 
   // construct a function which evaluates the first parameter f after applying
   // a value for parameter x.
   const fnCode = args[0].compile()
   const f = function (x) {
-    fnScope[variable] = x
+    fnScope.set(variable, x)
     return fnCode.evaluate(fnScope)
   }
 
diff --git a/examples/advanced/custom_loading.js b/examples/advanced/custom_loading.mjs
similarity index 90%
rename from examples/advanced/custom_loading.js
rename to examples/advanced/custom_loading.mjs
index 5c0d2704aa..4ec327e1d0 100644
--- a/examples/advanced/custom_loading.js
+++ b/examples/advanced/custom_loading.mjs
@@ -29,5 +29,5 @@ console.log('d =', format(d)) // outputs "d = 7/9"
 // Now, when bundling your application for use in the browser, only the used
 // parts of math.js will be bundled. For example to create a bundle using Webpack:
 //
-//     npx webpack custom_loading.js -o custom_loading.bundle.js --mode=production
+//     npx webpack custom_loading.mjs -o custom_loading.bundle.js --mode=production
 //
diff --git a/examples/advanced/more_secure_eval.js b/examples/advanced/more_secure_eval.js
index 46329ba7c3..650c26883c 100644
--- a/examples/advanced/more_secure_eval.js
+++ b/examples/advanced/more_secure_eval.js
@@ -33,4 +33,9 @@ math.import({
 }, { override: true })
 
 console.log(limitedEvaluate('sqrt(16)')) // Ok, 4
-console.log(limitedEvaluate('parse("2+3")')) // Error: Function parse is disabled
+try {
+  console.log(limitedEvaluate('parse("2+3")')) // Error: Function parse is disabled
+  console.log('Oops, it worked!')
+} catch (err) {
+  console.log(err.toString())
+}
diff --git a/test/node-tests/examples.test.js b/test/node-tests/examples.test.js
new file mode 100644
index 0000000000..b7e33ded2d
--- /dev/null
+++ b/test/node-tests/examples.test.js
@@ -0,0 +1,45 @@
+// Only use native node.js API's and references to ./lib here, this file is not transpiled!
+const assert = require('assert')
+const cp = require('child_process')
+const path = require('path')
+const fs = require('fs')
+
+describe('examples/', () => {
+  const exampleDir = path.resolve(__dirname, '../../examples/')
+  const referenceDir = path.resolve(__dirname, './examples/')
+  const rawExamples = fs.readdirSync(exampleDir, { withFileTypes: true })
+  const examples = []
+  for (const example of rawExamples) {
+    if (example.isDirectory()) {
+      const subDir = path.join(exampleDir, example.name)
+      const subFiles = fs.readdirSync(subDir)
+      for (const subFile of subFiles) {
+        if (subFile.substr(-3) === '.js') {
+          examples.push(path.join(example.name, subFile))
+        }
+      }
+    } else {
+      if (example.name.substr(-3) === '.js') {
+        examples.push(example.name)
+      }
+    }
+  }
+  for (const example of examples) {
+    it(example, (done) => {
+      const source = path.join(exampleDir, example)
+      const outfile = path.join(referenceDir, example + '.out')
+      const expected = fs.readFileSync(outfile).toString()
+      let expectError = ''
+      const errfile = path.join(referenceDir, example + '.err')
+      if (fs.existsSync(errfile)) {
+        expectError = fs.readFileSync(errfile).toString()
+      }
+      cp.exec('node ' + source, (error, stdout, stderr) => {
+        assert.strictEqual(error, null)
+        assert.strictEqual(stderr, expectError)
+        assert.strictEqual(stdout, expected)
+        done()
+      })
+    })
+  }
+})
diff --git a/test/node-tests/examples/advanced/convert_fraction_to_bignumber.js.out b/test/node-tests/examples/advanced/convert_fraction_to_bignumber.js.out
new file mode 100644
index 0000000000..bb97d45d6d
--- /dev/null
+++ b/test/node-tests/examples/advanced/convert_fraction_to_bignumber.js.out
@@ -0,0 +1,3 @@
+Fraction 7/12
+BigNumber 2
+BigNumber 3.4
diff --git a/test/node-tests/examples/advanced/custom_argument_parsing.js.out b/test/node-tests/examples/advanced/custom_argument_parsing.js.out
new file mode 100644
index 0000000000..837a20d184
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_argument_parsing.js.out
@@ -0,0 +1,3 @@
+0.6667254718034714
+0.6667254718034714
+4.000000000000003
diff --git a/test/node-tests/examples/advanced/custom_datatype.js.out b/test/node-tests/examples/advanced/custom_datatype.js.out
new file mode 100644
index 0000000000..8f62f67938
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_datatype.js.out
@@ -0,0 +1,2 @@
+CustomValue:5
+CustomValue:9
diff --git a/test/node-tests/examples/advanced/custom_evaluate_using_factories.js.out b/test/node-tests/examples/advanced/custom_evaluate_using_factories.js.out
new file mode 100644
index 0000000000..8351c19397
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_evaluate_using_factories.js.out
@@ -0,0 +1 @@
+14
diff --git a/test/node-tests/examples/advanced/custom_evaluate_using_import.js.out b/test/node-tests/examples/advanced/custom_evaluate_using_import.js.out
new file mode 100644
index 0000000000..8351c19397
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_evaluate_using_import.js.out
@@ -0,0 +1 @@
+14
diff --git a/test/node-tests/examples/advanced/custom_relational_functions.js.err b/test/node-tests/examples/advanced/custom_relational_functions.js.err
new file mode 100644
index 0000000000..85f0f8c7b7
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_relational_functions.js.err
@@ -0,0 +1,2 @@
+"a" == "b" Error: Cannot convert "a" to a number
+"a" == "a" Error: Cannot convert "a" to a number
diff --git a/test/node-tests/examples/advanced/custom_relational_functions.js.out b/test/node-tests/examples/advanced/custom_relational_functions.js.out
new file mode 100644
index 0000000000..ca803fe417
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_relational_functions.js.out
@@ -0,0 +1,9 @@
+default (compare string by their numerical value)
+2 < 10 true
+"2" < "10" true
+
+custom (compare strings lexically)
+2 < 10 true
+"2" < "10" false
+"a" == "b" false
+"a" == "a" true
diff --git a/test/node-tests/examples/advanced/custom_scope_objects.js.out b/test/node-tests/examples/advanced/custom_scope_objects.js.out
new file mode 100644
index 0000000000..2dcc27eef3
--- /dev/null
+++ b/test/node-tests/examples/advanced/custom_scope_objects.js.out
@@ -0,0 +1,31 @@
+Object scope: {
+  x: 3,
+  y: 6,
+  scalar: 1,
+  area: [Function: area] {
+    signatures: { 'any,any': [Function (anonymous)] },
+    syntax: 'area(length, width)'
+  },
+  A: 18
+}
+Map-like scope (simple Map): undefined
+Map-like scope (MapScope example): Map(5) {
+  'x' => 3,
+  'y' => 6,
+  'scalar' => 1,
+  'area' => [Function: area] {
+    signatures: { 'any,any': [Function (anonymous)] },
+    syntax: 'area(length, width)'
+  },
+  'A' => 18
+}
+Map-like scope (AdvancedScope example): Map(5) {
+  'x' => 3,
+  'y' => 6,
+  'scalar' => 1,
+  'area' => [Function: area] {
+    signatures: { 'any,any': [Function (anonymous)] },
+    syntax: 'area(length, width)'
+  },
+  'A' => 18
+}
diff --git a/test/node-tests/examples/advanced/expression_trees.js.out b/test/node-tests/examples/advanced/expression_trees.js.out
new file mode 100644
index 0000000000..eb7d18fed7
--- /dev/null
+++ b/test/node-tests/examples/advanced/expression_trees.js.out
@@ -0,0 +1,13 @@
+Filter all symbol nodes "x" in the expression "x^2 + x/4 + 3*y"
+SymbolNode x
+SymbolNode x
+
+Traverse the expression tree of expression "3 * x + 2"
+OperatorNode +
+OperatorNode *
+ConstantNode 3
+SymbolNode x
+ConstantNode 2
+
+Replace all symbol nodes "x" in expression "x^2 + 5*x" with a constant 3
+3 ^ 2 + 5 * 3
diff --git a/test/node-tests/examples/advanced/function_transform.js.out b/test/node-tests/examples/advanced/function_transform.js.out
new file mode 100644
index 0000000000..253647a494
--- /dev/null
+++ b/test/node-tests/examples/advanced/function_transform.js.out
@@ -0,0 +1,7 @@
+Using expression parser:
+input: a=2, b=4
+result: 6
+2+4=6
+
+Using plain JavaScript:
+2+4=6
diff --git a/test/node-tests/examples/advanced/more_secure_eval.js.out b/test/node-tests/examples/advanced/more_secure_eval.js.out
new file mode 100644
index 0000000000..27f7fea3e3
--- /dev/null
+++ b/test/node-tests/examples/advanced/more_secure_eval.js.out
@@ -0,0 +1,2 @@
+4
+Error: Function parse is disabled
diff --git a/test/node-tests/examples/advanced/use_bigint.js.out b/test/node-tests/examples/advanced/use_bigint.js.out
new file mode 100644
index 0000000000..d6e76648cb
--- /dev/null
+++ b/test/node-tests/examples/advanced/use_bigint.js.out
@@ -0,0 +1,3 @@
+9598
+9598n
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diff --git a/test/node-tests/examples/algebra.js.out b/test/node-tests/examples/algebra.js.out
new file mode 100644
index 0000000000..aca127ff41
--- /dev/null
+++ b/test/node-tests/examples/algebra.js.out
@@ -0,0 +1,14 @@
+simplify expressions
+7 / 2
+5 * x
+24
+2 * x ^ 2 + x + 3
+-y
+3 * x
+12
+
+calculate derivatives
+4 * x + 3
+2 * cos(2 x)
+2 * x + 1
+7
diff --git a/test/node-tests/examples/basic_usage.js.out b/test/node-tests/examples/basic_usage.js.out
new file mode 100644
index 0000000000..8d21337b72
--- /dev/null
+++ b/test/node-tests/examples/basic_usage.js.out
@@ -0,0 +1,24 @@
+functions and constants
+2.718
+0.75
+4
+2i
+[[7, 0], [0, 7]]
+2 * x + 1
+
+expressions
+7.8
+5 inch
+0.5
+3 + 2i
+-7
+
+chained operations
+14
+
+mixed use of data types
+[9, 10]
+15 mm
+[-3, -2, -1]
+[6, 8]
+
diff --git a/test/node-tests/examples/bignumbers.js.out b/test/node-tests/examples/bignumbers.js.out
new file mode 100644
index 0000000000..6ad436a35f
--- /dev/null
+++ b/test/node-tests/examples/bignumbers.js.out
@@ -0,0 +1,19 @@
+round-off errors with numbers
+0.30000000000000004
+1.4999999999999998
+
+no round-off errors with BigNumbers
+0.3
+1.5
+
+create BigNumbers from strings when exceeding the range of a number
+Infinity
+1.2e+500
+
+BigNumbers still have a limited precision and are no silve bullet
+0.99999999999999999999
+
+use BigNumbers in the expression parser
+0.3
+1.5
+
diff --git a/test/node-tests/examples/chaining.js.out b/test/node-tests/examples/chaining.js.out
new file mode 100644
index 0000000000..4a1789ebbf
--- /dev/null
+++ b/test/node-tests/examples/chaining.js.out
@@ -0,0 +1,7 @@
+14
+0.5
+"0.6666666666666666"
+0.66666666666667
+2.6666666666667
+3
+[[24, 6], [9, 12]]
diff --git a/test/node-tests/examples/complex_numbers.js.out b/test/node-tests/examples/complex_numbers.js.out
new file mode 100644
index 0000000000..677f94297e
--- /dev/null
+++ b/test/node-tests/examples/complex_numbers.js.out
@@ -0,0 +1,24 @@
+create and manipulate complex numbers
+2 + 3i
+2
+3
+2 + 3i
+5 + 3i
+3 - 7i
+
+perform operations
+8 - 4i
+36 - 26i
+-9.6541254768548 + 2.8416922956064i
+2
+2i
+
+create complex numbers with polar coordinates
+1 + i
+5 0.9272952180016122
+
+
+comparision and sorting operations
+equal false
+values: [5 + 3i, 3 - 7i, 1 + i]
+sorted: [1 + i, 3 - 7i, 5 + 3i]
diff --git a/test/node-tests/examples/expressions.js.out b/test/node-tests/examples/expressions.js.out
new file mode 100644
index 0000000000..6237310faa
--- /dev/null
+++ b/test/node-tests/examples/expressions.js.out
@@ -0,0 +1,69 @@
+1. USING FUNCTION MATH.EVAL
+
+evaluate expressions
+5
+2i
+5.08 cm
+0.70710678118655
+
+evaluate multiple expressions at once
+[3, 4, 12]
+
+evaluate expressions providing a scope with variables and functions
+12
+6.8
+6.8
+"hello, hero!"
+8
+8
+
+2. USING FUNCTION MATH.PARSE
+
+parse an expression into a node tree
+"sqrt(3 ^ 2 + 4 ^ 2)"
+5
+
+provide a scope
+"x ^ a"
+9
+27
+
+3. USING FUNCTION MATH.COMPILE
+
+compile an expression
+5
+
+provide a scope
+10
+
+4. USING A PARSER
+
+evaluate expressions
+5
+2i
+5.08 cm
+0.70710678118655
+
+define variables and functions
+3.5
+6.5
+f2(x, y)
+8
+
+manipulate matrices
+[[1, 2], [3, 4]]
+[[0, 0], [0, 0]]
+[5, 6]
+[[5, 6], [0, 0]]
+[7, 8]
+[[5, 6], [7, 8]]
+[[19, 22], [43, 50]]
+43
+[[19], [43]]
+
+get and set variables and function in the scope of the parser
+x = 3.5
+f2 = f2(x, y)
+h = 27
+250
+"hello, hero!"
diff --git a/test/node-tests/examples/fractions.js.out b/test/node-tests/examples/fractions.js.out
new file mode 100644
index 0000000000..cd8332ef81
--- /dev/null
+++ b/test/node-tests/examples/fractions.js.out
@@ -0,0 +1,32 @@
+basic usage
+1/8
+8/25
+1/3
+1/3
+2/3
+2/7
+
+round-off errors with numbers
+0.30000000000000004
+1.4999999999999998
+
+no round-off errors with fractions :)
+0.3
+1.5
+
+represent an infinite number of repeating digits
+0.(3)
+0.(285714)
+2.(09)
+
+use fractions in the expression parser
+3/10
+3/2
+23/11
+
+output formatting of fractions
+2/3
+2/3
+0.(6)
+0.(6)
+
diff --git a/test/node-tests/examples/import.js.out b/test/node-tests/examples/import.js.out
new file mode 100644
index 0000000000..f824650aa7
--- /dev/null
+++ b/test/node-tests/examples/import.js.out
@@ -0,0 +1,7 @@
+84
+"hello, user!"
+52
+"hello, user!"
+Warning: To use numbers.js, the library must be installed first via `npm install numbers`.
+Warning: To use numeric.js, the library must be installed first via `npm install numeric`.
+3.14
diff --git a/test/node-tests/examples/matrices.js.out b/test/node-tests/examples/matrices.js.out
new file mode 100644
index 0000000000..579553b610
--- /dev/null
+++ b/test/node-tests/examples/matrices.js.out
@@ -0,0 +1,42 @@
+create a matrix
+[1, 4, 9, 16, 25]
+[[1, 1, 1], [1, 1, 1]]
+[2, 3]
+[1, 4, 9, 16, 25]
+[1, 4, 9, 16, 25]
+
+perform operations
+[1, 2, 3, 4, 5]
+[1, 2, 6, 24, 120]
+
+manipulate matrices
+[[1, 2], [3, 4]]
+[[5, 6], [1, 1]]
+[[5, 6], [7, 8]]
+[[19, 22], [43, 50]]
+43
+
+get a sub matrix
+[[1, 0, 0], [0, 2, 0], [0, 0, 3]]
+[[2, 0], [0, 3]]
+[1, 2, 3, 4, 5]
+[2, 3, 4]
+
+resizing a matrix
+[[[0, 0], [0, 0]], [[0, 0], [0, 0]]]
+[2, 2, 2]
+[[0, 0], [0, 0]]
+[2, 2]
+
+set a value outside a matrices range
+[0, 0, 6]
+
+set a value outside a matrices range, setting other new entries to null
+[null, null, 6]
+
+create ranges
+[1, 2, 3, 4, 5]
+[0, 3, 6, 9, 12, 15]
+[2, 1, 0, -1, -2]
+[1, 2, 6, 24, 120]
+
diff --git a/test/node-tests/examples/objects.js.out b/test/node-tests/examples/objects.js.out
new file mode 100644
index 0000000000..bb34d0b3a6
--- /dev/null
+++ b/test/node-tests/examples/objects.js.out
@@ -0,0 +1,8 @@
+{"x": 3, "y": 4}
+{"name": "John"}
+{"a": 2, "b": {"c": 3, "d": 4}}
+42
+42
+43
+43
+{"prop": 43}
diff --git a/test/node-tests/examples/serialization.js.out b/test/node-tests/examples/serialization.js.out
new file mode 100644
index 0000000000..667d776468
--- /dev/null
+++ b/test/node-tests/examples/serialization.js.out
@@ -0,0 +1,3 @@
+{"mathjs":"Complex","re":2,"im":3}
+Unit
+5 cm
diff --git a/test/node-tests/examples/sparse_matrices.js.out b/test/node-tests/examples/sparse_matrices.js.out
new file mode 100644
index 0000000000..61c43730ea
--- /dev/null
+++ b/test/node-tests/examples/sparse_matrices.js.out
@@ -0,0 +1,5 @@
+creating a 1000x1000 sparse matrix...
+doing some operations on the sparse matrix...
+size(e)= [ 1000, 1000 ]
+already done
+now try this with a dense matrix :)
diff --git a/test/node-tests/examples/units.js.out b/test/node-tests/examples/units.js.out
new file mode 100644
index 0000000000..2fe259e98c
--- /dev/null
+++ b/test/node-tests/examples/units.js.out
@@ -0,0 +1,49 @@
+create units
+45 cm
+0.1 m
+
+perform operations
+55 cm
+0.2 m
+1 m / s
+1728 in^3
+
+convert to another type or to a number
+10 cm
+3.9370078740157 inch
+10
+10
+
+parse expressions
+5.08 cm
+0.70710678118655
+25 m / s
+
+50
+
+simplify units
+100 kPa
+39.24 kJ
+
+compute molar volume of ideal gas at 65 Fahrenheit, 14.7 psi in L/mol
+gas constant (Rg) =  8.314 (N m) / (mol K)
+P = 14.7 psi
+T = 65 degF
+v = Rg * T / P = 23.910432393453 L / mol
+
+compute speed of fluid flowing out of hole in a container
+g = 9.81 m / s^2
+h = 1 m
+v = (2 g h) ^ 0.5 = 4.42944691807 m / s
+
+electrical power consumption:
+460 V * 20 A * 30 days to kWh = 6624 kWh
+
+circuit design:
+24 V / (6 mA) = 4 kohm
+
+operations on arrays:
+B (magnetic field strength) = [1 T, 0 T, 0 T]
+v (particle velocity) = [0 m / s, 1 m / s, 0 m / s]
+q (particle charge) = 1 C
+F (force) = q (v cross B) = [0 N, 0 N, -1 N]