build(javascript): use let instead of var for local variables

Author: thomasleplus

javascripts/DOM - NATO spell selection.js

@@ -47,8 +47,8 @@ if (selection === undefined || selection.length === 0) {
   window.alert("Select the desired text.");
 } else {
   selection = selection.trim();
-  var result = "";
-  var i, c, d, t;
+  let result = "";
+  let i, c, d, t;
   for (i = 0; i < selection.length; i += 1) {
     c = selection.charAt(i);
     d = encodeURIComponent(c);

javascripts/Google Maps to SunCalc.org.js

@@ -12,7 +12,7 @@ for (i = 0; i < pieces.length; i += 1) {
 if (coordinates === undefined || coordinates === null) {
   window.alert("Current Google Maps URL does not contain coordinates.");
 } else {
-  var now = new Date();
+  let now = new Date();
   window
     .open(
       "https://www.suncalc.org/#/" +

javascripts/NIST NVD - Go to selected CVE.js

@@ -9,7 +9,7 @@ if (selection === undefined || selection.length === 0) {
   window.alert("Select the desired text.");
 } else {
   selection = selection.trim();
-  var url;
+  let url;
   if (selection.match(/^cve-\d+-\d+$/i)) {
     url = "https://nvd.nist.gov/vuln/detail/" + selection;
   } else if (selection.match(/^\d+-\d+$/)) {