window.onerror

window.onerror.js

// 从全局捕获错误
window.onerror = function (errMsg, scriptURI, lineNumber, columnNumber, errorObj) {
    setTimeout(function () {
        var rst = {
            "错误信息：": errMsg,
            "出错文件：": scriptURI,
            "出错行号：": lineNumber,
            "出错列号：": columnNumber,
            "错误详情：": errorObj
        };

        alert(JSON.stringify(rst, null, 10));
    });
};