ブラウザ版はてブのホッテントリリストのタイトル省略を展開するブックマークレット (説明: https://peketamin.hatenablog.jp/entry/2021/05/12/221554)

HBLT.js

class HatebuLongTitler {
    constructor () {
        HatebuLongTitler.makeStyle();
        HatebuLongTitler.applyStyle();
    }

    static makeStyle() {
        const newRule = `
        .style-headline:not(.search-url-nothing) .entrylist-main .entrylist-contents-title {
            white-space: none!important;
        }
        `;
        const style = document.createElement('style');
        if(style.styleSheet){
            style.styleSheet.cssText = newRule;
        }else{
            style.appendChild(document.createTextNode(newRule));
        }
        document.getElementsByTagName('head')[0].appendChild(style);
    }

    static applyStyle() {
        let titles = document.querySelectorAll(".entrylist-contents-title > a");
        for (title of titles) {
            const longTitle = title.getAttribute("title");
            title.innerText = longTitle;
            title.style.whiteSpace = "normal";
        }
    }
}
let HBLT = new HatebuLongTitler();