<body>
<input type="text" value="sdjaja">
<button class="btn1">的哈哈哈</button>
<button class="btn2">
禁用input切換
</button>
</body>
<script>
window.onload = function () {
let ele_input = document.querySelector("input")
let ele_btn1 = document.querySelector(".btn1")
let ele_btn2 = document.querySelector(".btn2")
let isDisableed = true
ele_btn2.addEventListener("click", function () {
if (isDisableed) { // 禁用
ele_btn1.disabled = true
ele_input.disabled = true // 方式一
// ele_input.setAttribute("disabled", "disabled") // 方式二
} else { // 啟用
ele_btn1.disabled = false
ele_input.disabled = false
// ele_input.removeAttribute("disabled")
}
isDisableed = !isDisableed
})
}
</script>
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