basic 13 samira

Samiraresponse

@@ -1 +1,161 @@
 my first pull request with codingdojo 
+I will write codes from basic 13 here:
+
+here is from 1 to 4 
+
+// print all num 
+function Print1To255(){
+  for (i=1; i<=255; i++){
+    console.log(i);
+  }
+}
+
+Print1To255();
+
+// print int 
+function PrintIntsAndSum0To255(){
+   var sum = 0;
+  for (var i = 0; i<255 ; i++){
+    console.log(sum = sum + i);
+  }
+}
+
+PrintIntsAndSum0To255();
+
+// print max 
+function PrintMaxOfArray(arr){
+ arr = [267,306,108];
+var largestNum = 0;
+for(i=0;i<arr.length;i++) {
+   if(arr[i]>largestNum){
+    largestNum = arr[i];
+   }
+}
+console.log(largestNum);
+}
+
+PrintMaxOfArray();
+
+// print odd numbers 
+function ReturnOddsArray1To255(arr){
+   arr = [];
+  for ( i = 1; i <= 255 ; i++){
+    if (i%3 === 0){
+   arr.push(i);
+    }
+  }
+   return arr 
+}
+ReturnOddsArray1To255();
+
+
+// greater than Y 
+function ReturnArrayCountGreaterThanY(arr, Y){
+  var count = 0;
+  for (var i =0; i< arr.length; i++){
+    if (arr[i]>Y){
+      count++ ;
+    }
+
+  }
+  return count;
+}
+ReturnArrayCountGreaterThanY([2,3,4,8,23,12,45,67], 7);
+
+// max, min, avg 
+function PrintMaxMinAverageArrayVals(arr){
+  var maxVal=0;
+  var minVal =0;
+  var avgVal=0;
+  for (var i = 0; i<arr.length; i++){
+    if (arr[i] > maxVal){
+      maxVal = arr[i];
+
+    }
+    if (arr[i] < minVal){
+      minVal = arr[i];
+    }
+
+  }
+  console.log("the max value is "  +  maxVal);
+  console.log("the min value is " + minVal);
+  console.log("the average is " +  ((maxVal+minVal)/2));
+}
+ PrintMaxMinAverageArrayVals([0,3,2,5,12,34,56,67]); 
+
+// swap 
+function SwapStringForArrayNegativeVals(arr){
+  for (var i =0; i< arr.length; i++){
+    if (arr[i] < 0 ){
+       arr[i] = "Dojo";
+    }
+  }
+  console.log(arr);
+}
+ SwapStringForArrayNegativeVals([3,4,5,-3,-5,-45,67,54,32]);
+
+ // odd
+function PrintOdds1To255(){
+  for (var i=0; i<=255; i++){
+    if (i%3 ===0){
+    console.log (i);
+    }
+  }
+}
+
+PrintOdds1To255();
+
+//iterate
+
+function PrintArrayVals(arr){
+  for (var i =0; i<arr.length; i++){
+
+  }
+  console.log (arr);
+}
+
+PrintArrayVals([3,4,5,67,12,23]);
+
+//print avg 
+
+function PrintAverageOfArray(arr){
+  var avg = 0 ; 
+  var sum =0;
+  for (var i=0; i<arr.length; i++){
+     sum += arr[i];
+  }
+  console.log(avg = ((sum)/2));
+}
+PrintAverageOfArray([4,4,9]);
+
+//squarre it
+function SquareArrayVals(arr){
+   var squarre = 0 ; 
+
+  for (var i=0; i<arr.length; i++){
+     squarre = (arr[i])*(arr[i]);
+  }
+  console.log(squarre);
+}
+SquareArrayVals([4,4]);
+
+//zeroOut
+
+function ZeroOutArrayNegativeVals(arr){
+   for (var i =0; i< arr.length; i++){
+    if (arr[i] < 0 ){
+       arr[i] = 0;
+    }
+  }
+  console.log(arr);
+}
+ZeroOutArrayNegativeVals([3,4,-9,45,-34,9]);
+
+// SHIFT it 
+function ShiftArrayValsLeft(arr){
+  for (var i =1; i< arr.length ; i++){
+    arr[i-1] = arr[i];
+  }
+return arr;
+}
+ShiftArrayValsLeft([43,1,3,4,5,6,7,8,0]);