首页 > 代码库 > YUI3 Y.Attribute

YUI3 Y.Attribute

<!DOCTYPE html><html><head lang="en">    <meta charset="UTF-8">    <title></title></head><body><script src="http://yui.yahooapis.com/3.16.0/build/yui/yui-min.js"></script><script type="text/javascript">    YUI.add(electron, function(Y) {        var REST_ENERGY = 511.00;        function Electron(config) {            this.addAttrs({                charge: {                    value: -1,                    readOnly: true                },                energy: {                    value: REST_ENERGY,                    validator: function(en) {                        return (en >= REST_ENERGY);                    }                }            }, config);        }        Y.Electron = Y.augment(Electron, Y.Attribute);    }, 0.0.1, {requires: [attribute]});    YUI().use(electron, function(Y) {        var e1 = new Y.Electron({charge: 10, energy: 311});        Y.log("charge: " + e1.get(charge));        Y.log("energy: " + e1.get(energy));        var e2 = new Y.Electron();        e2.on(chargeChange, function(ev) {            Y.log("charge on");        });        e2.after(chargeChange, function(ev) {            Y.log("charge after");        });        e2.on(energyChange, function(ev) {            Y.log("energy on");            Y.log(ev.prevVal + " ------- " + ev.newVal);        });        e2.after(energyChange, function(ev) {            Y.log("energy after");        });        e2.set(charge, 123);        e2.set(energy, 1003);    });</script></body></html>