Function getJsonText

apps/json-format/format-lib.js:567–579

(el)

     * @returns {string}
     */
    let getJsonText = function (el) {

        let txt = el.text().replace(/复制\|下载\|删除/gm,'').replace(/":\s/gm, '":').replace(/,$/, '').trim();
        if (!(/^{/.test(txt) && /\}$/.test(txt)) && !(/^\[/.test(txt) && /\]$/.test(txt))) {
            txt = '{' + txt + '}';
        }
        try {
            txt = JSON.stringify(JSON.parse(txt), null, 4);
        } catch (err) {
        }

        return txt;
    };

    let _getJsonPathKeys = function (curEl) {
        let keys = [];