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双击显示密码,失去焦点隐藏.不覆盖 onload,支持密码框后生成的网站
当前为
// ==UserScript==
// @name 双击显示密码
// @namespace https://github.com/Tyrone2333/display-password
// @version 1.1
// @description 双击显示密码,失去焦点隐藏.不覆盖 onload,支持密码框后生成的网站
// @author en20
// @include http*://*
// @exclude *baidu.com*
// @grant none
// @run-at document-end
// ==/UserScript==
(function () {
function displayPassword() {
let list = document.querySelectorAll("input[type=password]")
for (let i = 0; i < list.length; i++) {
list[i].ondblclick = function () {
list[i].setAttribute("type", "text")
}
list[i].onblur = function () {
list[i].setAttribute("type", "password")
}
}
}
// 防止覆盖 onload 事件
function addLoadEvent(func) {
const oldOnload = window.onload
if (typeof window.onload != 'function') {
window.onload = func
} else {
window.onload = function () {
oldOnload()
func()
}
}
}
// 防抖,mutationObserver 触发非常频繁
function debounce(fn, delay) {
// console.log(args)
let timer = null
return function (...args) {
clearTimeout(timer)
timer = setTimeout(() => {
fn.call(this, ...args)
}, delay)
}
}
// 监听每次 dom 变化,重新寻找密码框添加事件
const mutationObserver = new MutationObserver(debounce((mutations) => {
mutations.forEach(function (mutation) {
displayPassword()
})
}, 300))
// 开始监听页面根元素 HTML 变化。
mutationObserver.observe(document.documentElement, {
attributes: true,
characterData: true,
childList: true,
subtree: true,
attributeOldValue: true,
characterDataOldValue: true,
})
addLoadEvent(displayPassword)
})()