<input type="text" id="ipt" /> <script> var obj = { name: "", }; var ipt = document.querySelector("#ipt"); ipt.addEventListener("keyup", function (e) { obj.name = e.target.value; // console.log(obj.name); }); Object.defineProperty(obj, "name", { get: function () { return ipt.value; }, set: function (newvalue) { ipt.value = newvalue; }, }); </script>
正文
vue数据代理Object.defineProperty
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