implementing vanilla array_difference function

2013-11-20 12:24:37 +01:00 · 2013-11-20 12:24:37 +01:00 · 0eaa88aea3
parent 5427d18438
commit 0eaa88aea3
1 changed files with 18 additions and 0 deletions
--- a/main.js
+++ b/main.js
@ -87,4 +87,22 @@ function microtime() {
    var now = new Date().getTime() / 1000;

    return now;
+}
+
+// accepting single level array with "value" as key
+function array_difference(firstArray, secondArray) {
+    var cloneArray = [];
+    
+    // create hardcopy
+    for (var i = 0; i < firstArray.length; i++) {
+        cloneArray.push(firstArray[i]);
+    }
+    
+    for (var i = 0; i < secondArray.length; i++) {
+        if (cloneArray.indexOf(secondArray[i]) != -1) {
+            cloneArray.splice(cloneArray.indexOf(secondArray[i]), 1);
+        }
+    }
+    
+    return cloneArray;
 }