Replace deprecated String.prototype.substr()

.substr() is deprecated so we replace it with .slice() which works similarily but isn't deprecated

Signed-off-by: Tobias Speicher <rootcommander@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/js/app/directives/otp.js b/js/app/directives/otp.js
index 69e5b608..cfcc40ce 100644
--- a/js/app/directives/otp.js
+++ b/js/app/directives/otp.js
@@ -54,7 +54,7 @@
 					}
 
 					for (i = 0; i + 4 <= bits.length; i += 4) {
-						var chunk = bits.substr(i, 4);
+						var chunk = bits.slice(i, i + 4);
 						hex = hex + parseInt(chunk, 2).toString(16);
 					}
 					return hex.length % 2 ? hex + "0" : hex;
@@ -91,8 +91,8 @@
 							var hmacObj = new jsSHA(time, 'HEX');
 							var hmac = hmacObj.getHMAC(key, 'HEX', 'SHA-1', "HEX");
 							var offset = hex2dec(hmac.substring(hmac.length - 1));
-							var otp = (hex2dec(hmac.substr(offset * 2, 8)) & hex2dec('7fffffff')) + '';
-							otp = (otp).substr(otp.length - 6, 6);
+							var otp = (hex2dec(hmac.slice(offset * 2, offset * 2 + 8)) & hex2dec('7fffffff')) + '';
+							otp = (otp).slice(-6);
 							scope.otp = otp;
 
 						};