Simplified a bit of code in JavaScript, TypeScript, Python.

javascript/qrcodegen.js

@@ -997,8 +997,9 @@ var qrcodegen = new function() {
 			data.forEach(function(b) {
 				var factor = b ^ result.shift();
 				result.push(0);
-				for (var i = 0; i < result.length; i++)
-					result[i] ^= ReedSolomonGenerator.multiply(coefficients[i], factor);
+				coefficients.forEach(function(coef, i) {
+					result[i] ^= ReedSolomonGenerator.multiply(coef, factor);
+				});
 			});
 			return result;
 		};

python/qrcodegen.py

@@ -870,8 +870,8 @@ class _ReedSolomonGenerator(object):
 		for b in data:
 			factor = b ^ result.pop(0)
 			result.append(0)
-			for i in range(len(result)):
-				result[i] ^= _ReedSolomonGenerator._multiply(self.coefficients[i], factor)
+			for (i, coef) in enumerate(self.coefficients):
+				result[i] ^= _ReedSolomonGenerator._multiply(coef, factor)
 		return result
 	
 	

typescript/qrcodegen.ts

@@ -925,8 +925,8 @@ namespace qrcodegen {
 			for (const b of data) {
 				const factor: byte = b ^ (result.shift() as int);
 				result.push(0);
-				for (let i = 0; i < result.length; i++)
-					result[i] ^= ReedSolomonGenerator.multiply(this.coefficients[i], factor);
+				this.coefficients.forEach((coef, i) =>
+					result[i] ^= ReedSolomonGenerator.multiply(coef, factor));
 			}
 			return result;
 		}