In my code, I've been utilizing the index value in this format:
{{ $index }}
However, rather than receiving a number, I am looking to obtain an uppercase character ranging from A to Z. Since there are only 10 items being repeated at most, there should be no concerns about running out of characters.
Does anyone know how I can achieve this adjustment?
Integrate the following function into your scope:
$scope.convertToLetter = function (index) {
return String.fromCharCode(65 + index);
};
Then display it in your view:
{{ convertToLetter($index) }}
Check out this demo on JSFiddle: http://jsfiddle.net/Xs5Qn/
If you want to convert numbers to letters in AngularJS, you can use the following method with a filter:
angular.module('myApp').filter('fromCharCode', function() {
return function(input) {
return String.fromCharCode(input);
};
});
To display it in your template, simply use the filter like this:
{{($index + 65) | fromCharCode}} // 65 represents the letter A
Additionally, you have the option to create a more specific filter that only returns uppercase letters:
angular.module('myApp').filter('letterFromCode', function() {
return function(input) {
var code = input % 26;
return String.fromCharCode(65 + code);
};
});
To easily access the alphabet, simply create an array that contains each letter.
$scope.alphabet = ["A", "B", "C", .... "Z"];
Now you can utilize this array in your Template like so:
{{ alphabet[$index] }}
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