js油猴脚本如何重复执行模拟输入，以使在线打字网站一键输入全部字符

网站是kukuw在线打字
这段代码来自GreasyFork上一位老哥的分享，经过了我一些删减
$("#content > div").each(function(index){
contentArray.push($(this));
这段有个$禁用代码段。有没有懂的指导一下

(function() {
    'use strict';

    // @require      http://www.jqueryfuns.com/content/js/jquery-1.8.3.min.js
    // @require      https://raw.githubusercontent.com/imingyu/jquery.mloading/master/src/jquery.mloading.js
    // @require      http://view.jqueryfuns.com/%E9%A2%84%E8%A7%88-/2016/6/6/4acd3731999352ee27d3e4fb759f5dcc/src/jquery.toast.js
    // @resource     ui http://view.jqueryfuns.com/%E9%A2%84%E8%A7%88-/2016/6/6/4acd3731999352ee27d3e4fb759f5dcc/src/jquery.toast.css
    // @resource     ui https://raw.githubusercontent.com/imingyu/jquery.mloading/master/src/jquery.mloading.css

    const wordLazy = 0

    function sleep(numberMillis) {
        var now = new Date();
        var exitTime = now.getTime() + numberMillis;
        while (true) {
            now = new Date();
            if (now.getTime() > exitTime){
                return;
            }
        }
    }

    function simulateKeyPress(jq_el,character) {
        console.log("当前模拟输入的字符:"+character+" 对应键盘码:"+character.charCodeAt(0));
        let kd = new KeyboardEvent("keydown", {
            bubbles: true, cancelable: true, keyCode: character.charCodeAt(0), which: character.charCodeAt(0)
        });
        jq_el[0].dispatchEvent(kd);
        const last = jq_el.val();
        jq_el.val(last+character);
        if(Math.random()<0.1){
            kd = new KeyboardEvent("keydown", {
                bubbles: true, cancelable: true, keyCode: 8, which: 8
            });
            jq_el[0].dispatchEvent(kd);
            jq_el.val(last);
            kd = new KeyboardEvent("keydown", {
                bubbles: true, cancelable: true, keyCode: character.charCodeAt(0), which: character.charCodeAt(0)
            });
            jq_el[0].dispatchEvent(kd);
            jq_el.val(last+character);
        }
    }

    function processLineTextIn(index,jq_el,text){
        console.log("当前模拟输入行数："+(index+1)+" 模拟文本内容："+text);
        for(let idx = 0; idx < text.length; idx++){
            simulateKeyPress(jq_el,text[idx]);
            sleep(wordLazy);
        }
    }

    let contentArray = [];
    function loopLazy(){
        $("#content > div").each(function(index){
            contentArray.push($(this));
        });
        let jq_line = contentArray.shift();

        jq_line.children("input:last").focus();
        processLineTextIn(0,jq_line.children("input:last"),jq_line.children(".text").text());
    }

    function run(){

        loopLazy();
    }

    document.addEventListener("keydown", function(e) {
        if(e.keyCode == 78) {
            if(e.altKey){
                run();
            }else if(e.ctrlKey){

            }
        }
    });

})();