Mary added Basic 13

mary.js

@@ -0,0 +1,160 @@
+var arr = [3,4,5,22,-9,66,-90];
+
+function Print1To255(){
+    for(i=1;i<=255;i++){
+        console.log(i);
+    }
+}
+Print1To255();
+
+function PrintIntsAndSum0To255(){
+    var sum = 0;
+    for(i=1;i<=255;i++){
+        console.log(i);
+        sum = sum + i;
+        console.log(sum);        
+    }
+}
+PrintIntsAndSum0To255();
+
+
+var arr = [1,5,8,3,5,0];
+function PrintMaxOfArray(arr){
+    var greatest = 0;
+    for (i=0;i<arr.length;i++){
+        if (arr[i] > greatest){
+            greatest = arr[i];
+        }
+        else{
+            }
+    }
+        console.log(greatest);
+
+    return greatest;
+}
+PrintMaxOfArray(arr);
+
+function ReturnOddsArray1To255(){
+    var roa = [];
+    for(i=1;i<=255;i++){
+        if(i%2!=0){
+        roa.push(i);
+        }
+    else{}
+    }
+console.log(roa);
+    return roa;
+}
+
+ReturnOddsArray1To255();
+
+
+ReturnOddsArray1To255();
+
+var y = 10;
+var arr = [1,3,5,8,11,55,66];
+function ReturnArrayCountGreaterThanY(arr,y){
+count = 0
+    for(i=0;i<arr.length;i++){
+        if(arr[i]>y){
+            console.log(arr[i]);
+            count = count +1;
+        }
+        else{
+            count = count;
+        }
+    }
+    console.log(count);
+}
+
+ReturnArrayCountGreaterThanY (arr,y);
+
+
+function PrintMaxMinAverageArrayVals(arr){
+        var max = -Infinity
+        var min = Infinity
+        var sum = 0
+    for(var i=0;i<arr.length;i++){
+        sum = sum + arr[i];
+        if(arr[i]>max){
+            max = arr[i];
+        }
+        else if (arr[i] < min){
+            min = arr[i];
+        }
+    }
+    var average = sum / arr.length;
+    console.log(max);
+    console.log(min);
+    console.log(average);
+}
+PrintMaxMinAverageArrayVals(arr);
+function SwapStringForArrayNegative(arr){
+    for(i=0;i<arr.length;i++){
+        if(arr[i]<0){
+            arr[i] = 'Dojo';
+        }
+    }
+    console.log(arr);
+}
+
+SwapStringForArrayNegative(arr);
+function PrintOdds1to255(){
+    for(i=1;i<=255;i++){
+        if(i%2===0){
+
+        }
+        else{
+            console.log(i);
+        }
+    }
+}
+PrintOdds1to255();
+function PrintArrayVals(arr){
+    for(i=0;i<arr.length;i++){
+        console.log(arr[i]);
+    }
+}
+
+PrintArrayVals(arr);
+function PrintAverageOfArray(arr){
+        var sum = 0
+        var count = 0
+    for(i=0;i<arr.length;i++){
+        count = count + 1;
+        sum = sum + arr[i];
+    }
+    var average = sum / count;
+    console.log(average);
+}
+PrintAverageOfArray(arr);
+function SquareArrayVals(arr){
+    for(i=0;i<arr.length;i++){
+        arr[i] = arr[i] * arr[i];
+    }
+    console.log(arr);
+    return (arr);
+}
+SquareArrayVals(arr);
+function ZeroOutArrayNegativeVals(arr){
+    for(i=0;i<arr.length;i++){
+        if(arr[i]<0){
+            arr[i] = 0;
+        }
+    }
+    console.log(arr);
+}
+
+ZeroOutArrayNegativeVals(arr);
+
+
+function ShiftArrayValsLeft(arr){
+    for(i=0; i<(arr.length - 1);i++){
+        arr[i] = arr[i+1];
+    }
+    arr[arr.length-1] = 0;
+    console.log(arr);
+}
+
+
+ShiftArrayValsLeft(arr);