diff --git a/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/common/OpCompare.kt b/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/common/OpCompare.kt
index a012a8c..b037487 100644
--- a/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/common/OpCompare.kt
+++ b/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/common/OpCompare.kt
@@ -25,18 +25,24 @@ internal fun  OpNot(
 
 
 
-internal val OpGreaterComparator : (Comparable<*>, Comparable<*>, ScriptRuntime) -> Boolean = { a, b, _ ->
+internal val OpGreaterComparator : (Comparable<*>, Comparable<*>, ScriptRuntime) -> Boolean = { a, b, r ->
 
-    if (a is Number && b is Number) {
-        a.toDouble() > b.toDouble()
+    val ka = r.toKotlin(a)
+    val kb = r.toKotlin(b)
+
+    if (ka is Number || kb is Number) {
+        r.toNumber(a).toDouble() > r.toNumber(b).toDouble()
     } else {
         a.toString() > b.toString()
     }
 }
 
-internal val OpLessComparator : (Comparable<*>, Comparable<*>, ScriptRuntime) -> Boolean = { a, b, _ ->
-    if (a is Number && b is Number) {
-        a.toDouble() < b.toDouble()
+internal val OpLessComparator : (Comparable<*>, Comparable<*>, ScriptRuntime) -> Boolean = { a, b, r ->
+    val ka = r.toKotlin(a)
+    val kb = r.toKotlin(b)
+
+    if (ka is Number || kb is Number) {
+        r.toNumber(a).toDouble() < r.toNumber(b).toDouble()
     } else {
         a.toString() < b.toString()
     }
diff --git a/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/ecmascript/ESInterpreterImpl.kt b/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/ecmascript/ESInterpreterImpl.kt
index 2531e65..b6e7c32 100644
--- a/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/ecmascript/ESInterpreterImpl.kt
+++ b/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/ecmascript/ESInterpreterImpl.kt
@@ -216,7 +216,8 @@ internal class ESInterpreterImpl(
             parseExpressionOp(
                 context = context,
                 blockContext = blockContext,
-                isExpressionStart = isExpressionStart
+                isExpressionStart = isExpressionStart,
+                factorOnly = unaryOnly
             )
         } else {
             OpGetVariable(variableName, receiver = null)
@@ -317,7 +318,7 @@ internal class ESInterpreterImpl(
 
                 eatSequence("=>") -> OpConstant(parseArrowFunction(listOf(x), blockContext))
 
-                eat('=') -> {
+                eatAndExpectNot('=', '='::equals) -> {
                     checkAssignment()
                     parseAssignmentValue(x, null)
                 }
@@ -406,10 +407,14 @@ internal class ESInterpreterImpl(
         context: Expression,
         logicalContext: LogicalContext? = null,
         blockContext: List<BlockContext>,
-        isExpressionStart: Boolean = false
+        isExpressionStart: Boolean = false,
+        factorOnly : Boolean = false
     ): Expression {
-        var x = parseOperator3(context, logicalContext, blockContext, isExpressionStart)
-
+        var x = if (factorOnly) {
+            parseFactorOp(context, blockContext, isExpressionStart)
+        } else {
+            parseOperator3(context, logicalContext, blockContext, isExpressionStart)
+        }
         while (true){
             prepareNextChar()
             x = when {
diff --git a/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/javascript/JSLangContext.kt b/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/javascript/JSLangContext.kt
index 481cf47..84e69dc 100644
--- a/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/javascript/JSLangContext.kt
+++ b/skriptie/src/commonMain/kotlin/io/github/alexzhirkevich/skriptie/javascript/JSLangContext.kt
@@ -221,9 +221,16 @@ private tailrec fun Any?.numberOrNull(withNaNs : Boolean = true) : Number? = whe
     null -> 0L
     true -> 1L
     false -> 0L
-    is JsString -> if (withNaNs) value.numberOrNull(withNaNs) else null
-    is JsArray -> if (withNaNs) value.numberOrNull(withNaNs) else null
-    is JsWrapper<*> -> value.numberOrNull()
+
+
+    is CharSequence -> when {
+        isEmpty() -> 0L
+        withNaNs -> {
+            val s = trim().toString()
+            s.toLongOrNull() ?: s.toDoubleOrNull()
+        }
+        else -> null
+    }
     is Byte -> toLong()
     is UByte -> toLong()
     is Short -> toLong()
@@ -234,10 +241,6 @@ private tailrec fun Any?.numberOrNull(withNaNs : Boolean = true) : Number? = whe
     is Float -> toDouble()
     is Long -> this
     is Double -> this
-    is String -> if (withNaNs) {
-        val t = trim()
-        t.toLongOrNull() ?: t.toDoubleOrNull()
-    } else null
     is List<*> -> {
         if (withNaNs) {
             singleOrNull()?.numberOrNull(withNaNs)
@@ -245,6 +248,7 @@ private tailrec fun Any?.numberOrNull(withNaNs : Boolean = true) : Number? = whe
             null
         }
     }
+    is JsWrapper<*> -> value.numberOrNull()
     else -> null
 }
 
diff --git a/skriptie/src/commonTest/kotlin/js/ComparisonTest.kt b/skriptie/src/commonTest/kotlin/js/ComparisonTest.kt
new file mode 100644
index 0000000..e4c5ad8
--- /dev/null
+++ b/skriptie/src/commonTest/kotlin/js/ComparisonTest.kt
@@ -0,0 +1,22 @@
+package js
+
+import kotlin.test.Test
+
+class ComparisonTest {
+
+    @Test
+    fun number_string(){
+        "'1' > 2".eval().assertEqualsTo(false)
+        "'1' == 1".eval().assertEqualsTo(true)
+        "'1' === 1".eval().assertEqualsTo(false)
+
+        "'test' == 0".eval().assertEqualsTo(false)
+        "'test' == NaN".eval().assertEqualsTo(false)
+
+        "'00100' < '1'".eval().assertEqualsTo(true)
+        "'00100' < 1".eval().assertEqualsTo(false)
+
+        " +'2' > +'10'".eval().assertEqualsTo(false)
+        "'2' > '10'".eval().assertEqualsTo(true)
+    }
+}
\ No newline at end of file
diff --git a/skriptie/src/commonTest/kotlin/js/SyntaxTest.kt b/skriptie/src/commonTest/kotlin/js/SyntaxTest.kt
index fb3006c..d06adc2 100644
--- a/skriptie/src/commonTest/kotlin/js/SyntaxTest.kt
+++ b/skriptie/src/commonTest/kotlin/js/SyntaxTest.kt
@@ -152,8 +152,10 @@ class SyntaxTest {
         "typeof null".eval().assertEqualsTo("object")
         "typeof undefined".eval().assertEqualsTo("undefined")
 
-        "typeof 1===1".eval().assertEqualsTo("boolean")
+        "typeof 1===1".eval().assertEqualsTo(false)
+        "typeof 1>2".eval().assertEqualsTo(false)
 
+        "let x = 1; typeof ++x".eval().assertEqualsTo("number")
         "let x = 1; typeof x++".eval().assertEqualsTo("number")
         assertFailsWith<SyntaxError> {
             "let x = 1; typeof x = 2".eval()