js how to show a result in the console code example

Example 1: how to print to screen in javascript

console.log("Hello World!");
alert("Console has been updated.");

Example 2: display console log in HTML

(function () {
    var old = console.log;
    var logger = document.getElementById('log');
    console.log = function (message) {
        if (typeof message == 'object') {
            logger.innerHTML += (JSON && JSON.stringify ? JSON.stringify(message) : message) + '<br />';
        } else {
            logger.innerHTML += message + '<br />';
        }
    }
})();

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Html Example

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