update branch b00tc4mp#167

staff/carlos-bock/chain-characters/concat.js

@@ -9,16 +9,16 @@
 // convertir numero en string
 // si el valor el null el resultado es string de null
 
+const ChainCharacters = require("./constructor")
+
 function concat(...strings) {
     let result = this.value;
 
-    let str = '';
     for (let i = 0; i < strings.length; i++) {
-        str += strings[i];
+        result += strings[i];
     }
-        return str;
+        return new ChainCharacters(result);
     }
 
     module.exports = concat
-
-
+

staff/carlos-bock/chain-characters/concat.test.js

@@ -7,14 +7,14 @@ const string4 = "1";
 const string5 = "2";
 const string6 = "3";
 
-const result1 = new ChainCharacters(string1,string2,string3).concat();
-console.assert(result1 === string1.concat(string2,string3),{
+const result1 = new ChainCharacters(string1).concat(string2,string3);
+console.assert(result1.value === string1.concat(string2,string3),{
   result: result1,
   message: "Test 1 No pasado ",
 });
-
-const result2 = new ChainCharacters(string4,string5,string6).concat();
-console.assert(result2 === string4.concat(string5,string6),{
+console.log(result1);
+const result2 = new ChainCharacters(string4).concat(string5,string6);
+console.assert(result2.value === string4.concat(string5,string6),{
   result: result2,
   message: "Test 1 No pasado ",
 });

staff/carlos-bock/challenge-array/for-each.js

@@ -0,0 +1,48 @@
+//crear función que aplica otra función a todos los valores del array
+//crear función simple de prueba
+const array=["Los", "gatos", "son", "guay"];
+const result= [];
+
+function forEach(array, callBackFunction){
+    //haz algo
+}
+
+
+/////////////////////////////////////////////////////////////
+
+
+function test(element){
+    //result[result.length]= element
+    if (element.length>3){
+    result[result.length] = element; 
+    }
+}
+
+///////////////////////////////////////////////////////////
+
+{
+    function arrayIsEqual(arr1, arr2) {
+      if (arr1.length !== arr2.length) return false;
+      let result = true;
+      let i = 0;
+      while (i < arr1.length || result === false) {
+        if (arr1[i] !== arr2[i]) {
+          result = false;
+        }
+        i++;
+      }
+      return result;
+    }
+  /////////////////////////////////////////////////////////////////
+    const array1 = [1, 2, 3, 4, 5, 6, 7, 8];
+    const result1 = splice(array1, 4);
+
+    console.assert(arrayIsEqual(array1, [1, 2, 3, 4]), {
+      result: array1,
+      message: "Test 1.1 no pasado",
+    });
+    console.assert(arrayIsEqual(result1, [5, 6, 7, 8]), {
+      result: result1,
+      message: "Test 1.2 no pasado",
+    });
+  }