x-num.html 内
<link rel="import" href="../polymer/polymer.html">
<dom-module id="x-num">
<style></style>
<template>
<span id="number"></span>
</template>
</dom-module>
<script>
Polymer({
is: "x-num",
properties: {
type: String,
value: 'normal'
},
attached: function() {
var contentNode = Polymer.dom(this).childNodes[0];
var number = Number(contentNode.textContent);
var result = "";
switch(this.type){
case "simplified":
if(number > 1000)
result = number / 1000 + "K+";
else
result = number;
break;
case "comma":
result = number.toLocaleString('en-IN');
break;
case "normal":
default:
result = number;
break;
}
this.$.number.textContent = result;
},
detached: function(){
console.log("detached");
},
attributeChanged: function(name, type){
console.log("attribute Changed: "+name);
}
});
</script>
index.html 内
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script>Polymer = {dom: 'shadow'};</script>
<title>Testing Polymer Element</title>
<script src="webcomponentsjs/webcomponents-lite.js"></script>
<link rel="import" href="x-num.html">
</head>
<body>
<x-num>3546</x-num>
<br/>
<x-num type="comma">3546</x-num>
<br/>
<x-num type="simplified">3546</x-num>
</body>
</html>
やろうとしてdocument.querySelector("x-num").innerHTML = "4000"
も3546と表示されますが、内容が変わったときに結果を変える方法があればお願いしたいです