https://peterduebolig.dk/wp-content/themes/webplatform/assets/scripts/currency.js?ver=08ac7f97

1var Currency;
2
3;(function ($) {
4    "use strict";
5
6    Currency = function() {
7        var self = this;
8
9        self.initializeFormat();
10
11    };
12
13    Currency.prototype.initializeFormat = function() {
14        var self = this;
15
16        $('input.currency').each(function() {
17            
18            $(this).on({
19                keyup: function() {
20                    self.formatCurrency($(this));
21                },
22                blur: function() { 
23                    self.formatCurrency($(this), 'blur');
24                }
25            });
26            
27        });
28        
29    };
30
31    Currency.prototype.formatNumber = function( n ) {
32        var self = this;
33        return n.replace(/\D/g, "").replace(/\B(?=(\d{3})+(?!\d))/g, ".")
34    }
35
36    Currency.prototype.formatCurrency = function( input, blur ) {
37        var self = this;
38        
39        // appends $ to value, validates decimal side
40        // and puts cursor back in right position.
41        
42        // get input value
43        var input_val = input.val();
44        
45        // don't validate empty input
46        if (input_val === "") { return; }
47        
48        // original length
49        var original_len = input_val.length;
50        
51        // initial caret position 
52        var caret_pos = input.prop("selectionStart");
53        
54        // check for decimal
55        if (input_val.indexOf(",") >= 0) {
56            
57            // get position of first decimal
58            // this prevents multiple decimals from
59            // being entered
60            var decimal_pos = input_val.indexOf(",");
61            
62            // split number by decimal point
63            var left_side = input_val.substring(0, decimal_pos);
64            var right_side = input_val.substring(decimal_pos);
65            
66            // add commas to left side of number
67            left_side = self.formatNumber(left_side);
68            
69            // validate right side
70            right_side = self.formatNumber(right_side);
71            
72            // Limit decimal to only 2 digits
73            right_side = right_side.substring(0, 2);
74            
75            // join number by .
76            input_val = left_side;
77            
78        } else {
79            
80            // no decimal entered
81            // add dots to number
82            // remove all non-digits
83            input_val = self.formatNumber(input_val);
84            input_val = input_val;
85            
86        }
87        
88        // send updated string to input
89        input.val(input_val);
90        
91        // console.log(input_val);
92        
93        // put caret back in the right position
94        if (blur !== "blur") {
95            var updated_len = input_val.length;
96            caret_pos = updated_len - original_len + caret_pos;
97            input[0].setSelectionRange(caret_pos, caret_pos);
98        }
99    }
100
101    $(function() {
102        window.Currency = new Currency();
103    });
104
105})(jQuery);