html tag を除去する

WebUtility.swift

//
//  WebUtility.swift
//  npbsns
//
//  Created by FUJIKI TAKESHI on 2016/02/05.
//  Copyright © 2016年 Takeshi Fujiki. All rights reserved.
//

import UIKit
import WebKit

class WebUtility: NSObject {
    
    class func createConfiguration() -> WKWebViewConfiguration {
        let controller = WKUserContentController()
        
        let ids = ["footerInner", "iconAd", "ad", "js-navBtn", "js-appBnr", "footer"]
        for id in ids {
            controller.addUserScript(WKUserScript(source: "document.getElementById('\(id)').innerHTML = '';", injectionTime: .atDocumentEnd, forMainFrameOnly: true))
        }
        
        let classNames = ["plugin-ad", "plugin-blogroll", "blog_ad2", "footer-ranking", "footer-nav", "google-user-ad", "article_mid_lower_ad", "article_low_ad", "relatedService", "blog-footer-inner", "rsslink", "plugin-popular_articles-new", "plugin-free_area", "plugin-follow_buttons", "mod-outer-btn", "bh-b", "aboutPTV", "faqLink", "movieList", "menu-button-right", "searchTrigger"]
        for className in classNames {
            controller.addUserScript(WKUserScript(source: "(function (){ var elements = document.getElementsByClassName(\"\(className)\");        for (var i=0;i<elements.length;i++) { elements[i].style.display = \"none\";        } })();", injectionTime: .atDocumentEnd, forMainFrameOnly: true))
        }
        
        let configuration = WKWebViewConfiguration()
        configuration.userContentController = controller
        return configuration
    }
    
}

 let configuration = WebUtility.createConfiguration()
 webView = WKWebView(frame: view.bounds, configuration: configuration)