Avoid mutating a prop directly since the value will be overwritten whenever

 

 

 

 

 

<li v-for="item in copyOptionList" :key="item.lngpurchasemodeid" value="item.lngpurchasemodeid"></li> 不要改变props里父级传过来的值,拷贝一份随便改

 

标签：overwritten,父级,whenever,Avoid,since,value
来源： https://www.cnblogs.com/hellofangfang/p/15015577.html