console 命令行工具 X clear

console

var a;
for(let i = 0; i < 10; i++) {
    a = document.createElement('a')
    a.innerHTML = i + '</br>'
    a.addEventListener('click', function(e) {
        console.log(this)
        e.preventDefault()
        alert(i)
    })
    const oDiv = document.getElementsByTagName('div')[0]
    oDiv.appendChild(a)
}

<div></div>