I have a small JavaScript function that I would like to implement in an Angular service or controller.
function cprCheck(frm) {
var cpr = frm.cpr.value;
if (cpr.match(/[0-9]{6}\-[0-9]{4}/)) {
cpr = cpr.replace(/\-/g, "");
var chk = 0;
for (i = 9; i > -1; i--) {
chk += (+cpr.charAt(i)) * ((i > 2) ? (10 - i) : (4 - i));
}
if (chk % 11 == 0) return true;
}
return false;
}
When using the functions value, match, and replace, why am I getting an exception?
I approached the issue from a unique angle and came up with an alternative solution:
var customValidationConfig = {
verifyAlgorithm: true,
idRegex: /^\d{10}$/,
cleanUpRegex: /-/g,
daysInVariousMonths: [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
controlValues: [4, 3, 2, 7, 6, 5, 4, 3, 2, 1] // source: http://da.wikipedia.org/wiki/CPR-nummer#Kontrol_af_personnummer
};
var evaluateModulus11 = function (value) {
var parts = (value + '').split('');
var controls = customValidationConfig.controlValues;
var total = 0;
angular.forEach(parts, function (currentValue, index) {
var currentControlValue = controls[index];
total += currentValue * currentControlValue;
});
return total % 11 === 0;
};
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