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polymer element lifecycle
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| <dom-module id="lifecycle-element"> | |
| <template> | |
| <style> | |
| :host { | |
| display: block; | |
| } | |
| </style> | |
| <button id="btn">Hello world</button> | |
| </template> | |
| <script> | |
| Polymer({ | |
| is: 'lifecycle-element', | |
| created: function(){ | |
| this.log('created'); | |
| this.addEventListener('click', function(){ | |
| this.remove(); | |
| }); | |
| }, | |
| ready: function(){ | |
| this.log('ready'); | |
| this.ticker = setInterval(this.tick.bind(this), 500); | |
| }, | |
| attached: function(){ | |
| this.log('attached'); | |
| }, | |
| detached: function(){ | |
| this.log('detached'); | |
| clearInterval(this.ticker); | |
| }, | |
| attributeChanged: function(name, oldValue, newValue){ | |
| console.log('%s was changed to %s from %s', name, newValue, oldValue); | |
| }, | |
| tick: function(){ | |
| this.setAttribute('data-id', Math.random()); | |
| }, | |
| updateAtrribute: function(cycle){ | |
| this.setAttribute('class', cycle); | |
| }, | |
| log: function(cycle){ | |
| console.log("******" + cycle); | |
| this.$ && console.dir(this.$.btn); | |
| this.updateAtrribute(cycle); | |
| } | |
| }); | |
| </script> | |
| </dom-module> |
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