父组件给子组件传
父组件在ReactDOM的render中当作属性传给子组件1234567{/* father */}var arr=[1,2,3,4,5,6,7,8,9] render(){ return <div> <Son {...arr}></Son> </div> }
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子组件给父组件传
父组件在ReactDOM的render中把一个方法当作属性传给子组件1234567891011{/* father */}var arr=[1,2,3,4,5,6,7,8,9] render(){ return <div> <Son {...arr} sonFnName={this.fatherFn} ></Son> </div> } fatherFn(arg){ //操作arg //age===>this.props.age }
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