笔记记录

杂记

React中map循环,如何给每个元素建立ref

用数组或者对象挂载就行了 this.refs = [ ]; 或者 this.refs = {};

JavaScript
{
    srcs.map((src, i) => {
        const frameStyle = {zIndex: 99 - i};
        return <img ref={img => this.refs[i] = img } key={i} src={src} />
    })
}


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