尝试捕获Onclick index.html脚本标签中Electron App Error中的完整屏幕截图

Question

这是我遇到的错误

Uncaught ReferenceError: fullscreenScreenshot is not defined at HTMLInputElement

导致此问题的代码在index.html脚本标记中。 这是 Render.js代码https://pastebin.com/cEp1rJsT 索引html代码 https://pastebin.com/WVWG69RH 我在哪里建造 错误来自https://ourcodeworld.com/articles/read/280/creating-screenshots-of-your-app-or-the-screen-in-electron-framework

 document.getElementById("trigger").addEventListener("click", function(){
            fullscreenScreenshot(function(base64data){
                // Draw image in the img tag
                document.getElementById("my-preview").setAttribute("src", base64data);
            },'image/png');
        },false);