function sleep(time) {
    return new Promise((resolve) => setTimeout(resolve, time));
}

async function getDom(sel) {
    for (let i = 0; i < 100; i++) {
        let dom = document.querySelector(sel);
        if (dom) {
            return dom;
        } else {
            await sleep(100);
        }
    }
}

async function getDomAll(sel) {
    for (let i = 0; i < 100; i++) {
        let dom = document.querySelectorAll(sel);
        if (dom.length > 0) {
            return dom;
        } else {
            await sleep(100);
        }
    }
}

function addNewStyle(newStyle) {
    let styleElement = document.getElementById('styles_js');
    if (!styleElement) {
        styleElement = document.createElement('style');
        styleElement.type = 'text/css';
        styleElement.id = 'styles_js';
        document.getElementsByTagName('head')[0].appendChild(styleElement);
    }
    styleElement.appendChild(document.createTextNode(newStyle));
}

//直接读取浏览器url
function GetQueryString(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
    var r = location.href.substring(location.href.indexOf('?') + 1).match(reg); //获取url中"?"符后的字符串并正则匹配
    var context = "";
    if (r != null)
        context = r[2];
    reg = null;
    r = null;
    return context == null || context === "" || context === "undefined" ? "" : decodeURI(context);
}

function getRandomInt(min, max) {
    min = Math.ceil(min);
    max = Math.floor(max);
    return Math.floor(Math.random() * (max - min) + min); //The maximum is exclusive and the minimum is inclusive
}

function myCopy(inner_html) {
    let tmpId = "tmpId123123" + getRandomInt(1, 10000);
    let a = document.createElement('div');
    a.id = tmpId;
    a.innerHTML = inner_html
    document.querySelector('body').appendChild(a)
    let range = document.createRange();
    range.selectNode(document.querySelector("#" + tmpId));
    // 清除选择
    window.getSelection().removeAllRanges();
    window.getSelection().addRange(range);
    console.log('复制成功');
    document.execCommand('copy');
    // 清除选择
    window.getSelection().removeAllRanges();
    document.querySelector("#" + tmpId).remove();
}

function log(obj) {
    console.table(JSON.parse(JSON.stringify(obj)));
}