Update a few more vars to const in js/ts snippets

Fixes #35322

extensions/javascript/snippets/javascript.json

@@ -25,7 +25,7 @@
 	"For-Each Loop": {
 		"prefix": "foreach",
 		"body": [
-			"${1:array}.forEach((${2:element}) => {",
+			"${1:array}.forEach(${2:element} => {",
 			"\t$0",
 			"});"
 		],
@@ -34,7 +34,7 @@
 	"For-In Loop": {
 		"prefix": "forin",
 		"body": [
-			"for (let ${1:key} in ${2:object}) {",
+			"for (const ${1:key} in ${2:object}) {",
 			"\tif (${2:object}.hasOwnProperty(${1:key})) {",
 			"\t\tconst ${3:element} = ${2:object}[${1:key}];",
 			"\t\t$0",

extensions/javascript/snippets/javascriptreact.json

@@ -25,7 +25,7 @@
 	"For-Each Loop": {
 		"prefix": "foreach",
 		"body": [
-			"${1:array}.forEach((${2:element}) => {",
+			"${1:array}.forEach(${2:element} => {",
 			"\t$0",
 			"});"
 		],
@@ -34,7 +34,7 @@
 	"For-In Loop": {
 		"prefix": "forin",
 		"body": [
-			"for (let ${1:key} in ${2:object}) {",
+			"for (const ${1:key} in ${2:object}) {",
 			"\tif (${2:object}.hasOwnProperty(${1:key})) {",
 			"\t\tconst ${3:element} = ${2:object}[${1:key}];",
 			"\t\t$0",

extensions/typescript/snippets/typescript.json

@@ -137,7 +137,7 @@
 		"prefix": "for",
 		"body": [
 			"for (let ${1:index} = 0; ${1:index} < ${2:array}.length; ${1:index}++) {",
-			"\tvar ${3:element} = ${2:array}[${1:index}];",
+			"\tconst ${3:element} = ${2:array}[${1:index}];",
 			"\t$0",
 			"}"
 		],
@@ -155,9 +155,9 @@
 	"For-In Loop": {
 		"prefix": "forin",
 		"body": [
-			"for (var ${1:key} in ${2:object}) {",
+			"for (const ${1:key} in ${2:object}) {",
 			"\tif (${2:object}.hasOwnProperty(${1:key})) {",
-			"\t\tvar ${3:element} = ${2:object}[${1:key}];",
+			"\t\tconst ${3:element} = ${2:object}[${1:key}];",
 			"\t\t$0",
 			"\t}",
 			"}"

extensions/typescript/snippets/typescriptreact.json

@@ -137,7 +137,7 @@
 		"prefix": "for",
 		"body": [
 			"for (let ${1:index} = 0; ${1:index} < ${2:array}.length; ${1:index}++) {",
-			"\tvar ${3:element} = ${2:array}[${1:index}];",
+			"\tconst ${3:element} = ${2:array}[${1:index}];",
 			"\t$0",
 			"}"
 		],
@@ -155,9 +155,9 @@
 	"For-In Loop": {
 		"prefix": "forin",
 		"body": [
-			"for (var ${1:key} in ${2:object}) {",
+			"for (const ${1:key} in ${2:object}) {",
 			"\tif (${2:object}.hasOwnProperty(${1:key})) {",
-			"\t\tvar ${3:element} = ${2:object}[${1:key}];",
+			"\t\tconst ${3:element} = ${2:object}[${1:key}];",
 			"\t\t$0",
 			"\t}",
 			"}"