JSFiddle - React, Tailwind, and code Playground

by acccco

HTML

<input type="file" id="file">

JavaScript

let file = document.getElementById('file')

file.addEventListener('click', (e) => {
    if(true){
        // 不弹出文件选择框
        e.preventDefault()
    }else{
        //弹出文件选择框
    }
})