equality

last-endcode · last-endcode · commit aa901e5c33a5 · 2020-10-11T15:41:45.000+07:00
diff --git a/15_equality.js b/15_equality.js
@@ -0,0 +1,24 @@
+// == checks only value
+// === checks only value and type
+
+let value = 6;
+let value2 = '6';
+
+let result1 = value != value2;
+let result2 = value !== value2;
+
+// if number same with number use == , === will true for value
+// but if value2 is '6' for != will false cz its string
+// if number value1 6 and value2 '6' will false for != cz its not number
+// but for !== is true cz not same remember !== read value and type
+console.log(result1); //false
+console.log(result2); //true
+
+// example again
+value = '10';
+value2 = 10;
+
+result1 = value == value2; //will true
+result2 = value === value2; //will false cz value and type differnt;
+console.log(result1);
+console.log(result2);
