Changed let to const

Got the proper usage of const.

Author: AnimeshSinha1309

src/data/examples/en/00_Structure/06_Functions.js

@@ -19,8 +19,8 @@ function draw() {
 }
 
 function drawTarget(xloc, yloc, size, num) {
-  let grayvalues = 255 / num;
-  let steps = size / num;
+  const grayvalues = 255 / num;
+  const steps = size / num;
   for (let i = 0; i < num; i++) {
     fill(i * grayvalues);
     ellipse(xloc, yloc, size - i * steps, size - i * steps);

src/data/examples/en/00_Structure/07_Recursion.js

@@ -16,7 +16,7 @@ function draw() {
 }
 
 function drawCircle(x, radius, level) {
-  let tt = (126 * level) / 4.0;
+  const tt = (126 * level) / 4.0;
   fill(tt);
   ellipse(x, height / 2, radius * 2, radius * 2);
   if (level > 1) {

src/data/examples/es/00_Structure/06_Functions.js

@@ -19,9 +19,9 @@ function draw() {
 }
 
 function drawTarget(xloc, yloc, size, num) {
-  grayvalues = 255 / num;
-  steps = size / num;
-  for (i = 0; i < num; i++) {
+  const grayvalues = 255 / num;
+  const steps = size / num;
+  for (let i = 0; i < num; i++) {
     fill(i * grayvalues);
     ellipse(xloc, yloc, size - i * steps, size - i * steps);
   }

src/data/examples/es/00_Structure/07_Recursion.js

@@ -16,7 +16,7 @@ function draw() {
 }
 
 function drawCircle(x, radius, level) {
-  let tt = (126 * level) / 4.0;
+  const tt = (126 * level) / 4.0;
   fill(tt);
   ellipse(x, height / 2, radius * 2, radius * 2);
   if (level > 1) {

src/data/examples/zh-Hans/00_Structure/06_Functions.js

@@ -17,8 +17,8 @@ function draw() {
 }
 
 function drawTarget(xloc, yloc, size, num) {
-  let grayvalues = 255 / num;
-  let steps = size / num;
+  const grayvalues = 255 / num;
+  const steps = size / num;
   for (let i = 0; i < num; i++) {
     fill(i * grayvalues);
     ellipse(xloc, yloc, size - i * steps, size - i * steps);