//计算属性 vue中会大量使用 var stu={ firstName:"ss", lastName:"S" } Object.defineProperty(stu,"fullName",{ get(){ return this.firstName+" "+this.lastName }, set(val){ var arr = val.split(" "); this.firstName = arr[0]; this.lastName = arr[1]; }, enumerable:true }); console.log(stu.fullName); stu.fullName="dd D"; console.log(stu.firstName,stu.lastName);
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