Created
June 7, 2018 19:06
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Console log to HTML
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Log to HTML</title> | |
| <link rel="icon" href="data:;base64,="> | |
| <script> | |
| (function(eleLocator) { | |
| fixLoggingFunc('log'); | |
| fixLoggingFunc('debug'); | |
| fixLoggingFunc('warn'); | |
| fixLoggingFunc('error'); | |
| fixLoggingFunc('info'); | |
| function fixLoggingFunc(name) { | |
| console['old' + name] = console[name]; | |
| console[name] = function() { | |
| let output = "", arg, i; | |
| for (i = 0; i < arguments.length; i++) { | |
| arg = arguments[i]; | |
| output += "<span class=\"log-" + (typeof arg) + "\">"; | |
| if (typeof arg === "object" && typeof JSON === "object" && typeof JSON.stringify === "function") { | |
| output += JSON.stringify(arg); | |
| } else { | |
| output += arg; | |
| } | |
| output += "</span> "; | |
| } | |
| eleLocator().innerHTML += output + "<br>"; | |
| console['old' + name].apply(undefined, arguments); | |
| }; | |
| } | |
| })(() => document.getElementById("log")); | |
| </script> | |
| <style> | |
| body {background: #333;} | |
| .log-boolean, | |
| .log-undefined {color: magenta;} | |
| .log-object, | |
| .log-string {color: orange;} | |
| .log-number {color: cyan;} | |
| </style> | |
| </head> | |
| <body class="language-java"> | |
| <pre id="log"></pre> | |
| <script> | |
| console.debug("Hi!", {a:3, b:6}, 42, true); | |
| console.info("Multiple", "arguments", "here"); | |
| console.warn(null, undefined); | |
| </script> | |
| </body> | |
| </html> |
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