Created
February 26, 2016 13:03
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HTML input type number with decimal precision.
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| (function(){ | |
| // Input field given to n decimal places. Degrades gracefully to standard numeric input. | |
| // Usage: <input type="number" is="decimal-number" data-places="2" name="..." value="..."> | |
| try { | |
| var proto = Object.create(HTMLInputElement.prototype); | |
| proto.createdCallback = function() { | |
| this.type = "number"; | |
| this.addEventListener("change", this.decimate); | |
| this.value = parseFloat(this.value).toFixed(this.getAttribute('data-places')); | |
| }; | |
| proto.decimate = function(){ | |
| this.value = parseFloat(this.value).toFixed(this.getAttribute('data-places')); | |
| }; | |
| document.registerElement("decimal-number", { | |
| prototype: proto, | |
| extends: 'input' | |
| }); | |
| } catch(e){} | |
| })(); |
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