ShowCssStyle

show css style

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         ShowCssStyle
// @namespace    http://tampermonkey.net/
// @version      0.4
// @description  show css style
// @author       Roastwind
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
'use strict';
// 创意来源: https://juejin.im/pin/5d80b839e51d456cecc4a8e4
// 按钮id
var _id = 'show-css-style'
// style id
var _style_id = 'add-style'
var _btn_id = 'show-css-btn'
var _outline_css = `html * { outline: 1px solid red }#${_id}{outline: none;}#${_id} * {outline: none;}`
var _text_show = 'show'
var _text_hide = 'hide'

var init = function() {
    // 容器
    var btnWrap = document.createElement('div')
    btnWrap.style.position = 'fixed'
    btnWrap.style.zIndex = '99999'
    btnWrap.style.width = '42px'
    // btnWrap.style.height = '60px'
    btnWrap.style.left = '0'
    btnWrap.style.top = '200px'
    btnWrap.style.display = 'flex'
    btnWrap.style.flexDirection = 'column'
    btnWrap.setAttribute('id', _id)

    // 展示按钮
    var btn = document.createElement('btn')
    btn.style.width = '40px'
    btn.style.height = '20px'
    btn.style.lineHeight = '20px'
    btn.style.border = '1px solid gray'
    btn.style.marginBottom = '10px'
    btn.style.borderRadius = '5px'
    btn.style.textAlign = 'center'
    btn.style.cursor = 'pointer'
    btn.style.userSelect = 'none'
    btn.style.fontSize = '14px'
    btn.innerText = _text_show
    btn.setAttribute('id', _btn_id)
    btn.addEventListener('click', function() {
        if (hasShow()) {
            removeCssLine()
            setBtnText(_text_show)
        }
        else {
            addCssLine()
            setBtnText(_text_hide)
        }
    })

    btnWrap.appendChild(btn)
    document.body.appendChild(btnWrap)
}
// 是否已添加
var hasShow = function() {
    var btn = document.querySelector(`#${_btn_id}`)
    return btn && btn.innerText === _text_hide
}
// 设置按钮文本
var setBtnText = function(text) {
    var btn = document.querySelector(`#${_btn_id}`)
    if (btn) {
        btn.innerText = text
    }
}
// 添加样式红线
var addCssLine = function() {
    var hasAddStyle = document.querySelector(`#${_style_id}`)
    if (hasAddStyle) { return }

    var style = document.createElement('style')
    style.textContent = _outline_css
    style.setAttribute('id', _style_id)
    document.body.appendChild(style)
}
// 移除样式红线
var removeCssLine = function() {
    var addStyle = document.querySelector(`#${_style_id}`)
    if (addStyle) {
        addStyle.remove()
    }
}
if (window === parent) {
    init()
}
})();