doubts about Object.prototype.hasOwnProperty.call (obj); `? the first understanding: it can be understood here that the this of Object.prototype.hasOwnProperty is bound to the obj object through the call method, and is judged by this function at...
doubts about Object.prototype.hasOwnProperty.call (obj); `? the first understanding: it can be understood here that the this of Object.prototype.hasOwnProperty is bound to the obj object through the call method, and is judged by this function at...
doubts about Object.prototype.hasOwnProperty.call (obj); `? the first understanding: it can be understood here that the this of Object.prototype.hasOwnProperty is bound to the obj object through the call method, and is judged by this function at...
doubts about Object.prototype.hasOwnProperty.call (obj); `? the first understanding: it can be understood here that the this of Object.prototype.hasOwnProperty is bound to the obj object through the call method, and is judged by this function at...