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Credit card inout boxhttp://jsbin.com/eqIbEp/2
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| #inp{ | |
| border: 1px solid gray; | |
| font-size: 24px; | |
| padding: 5px; | |
| outline: none; | |
| width: 50%; | |
| min-width: 300px; | |
| } | |
| #inp:hover,#inp:active{ | |
| outline: none; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="credit card formatter" /> | |
| <meta charset=utf-8 /> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <input type=text id=inp maxlength="19" /> | |
| </body> | |
| </html> |
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| (function (document, console){ | |
| "use strict"; | |
| var inp = document.getElementById("inp"); | |
| function formatCC(txt){ | |
| var ntxt = ""; | |
| for (var i = 0; i< txt.length; i++) { | |
| if (i !== 0 && i%4 === 0) { | |
| ntxt += " "; | |
| } | |
| ntxt += txt[i]; | |
| } | |
| return ntxt; | |
| } | |
| inp.addEventListener("keyup", function(){ | |
| var obj = this; | |
| var noSpaceVal = obj.value.split(" ").join(""); | |
| obj.value = formatCC(noSpaceVal); | |
| }); | |
| })(window.document, console); |
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