functionmeasuringExecutionTime(){constlabel="myFunction() time";// Labels the timing log entry.console.time(label);// Starts the timer.try{myFunction();// Function to time.}catch(e){// Logs an ERROR message.console.error("myFunction() yielded an error: "+e);}console.timeEnd(label);// Stops the timer, logs execution duration.}functionmyFunction(){// ...}
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-07-26 (世界標準時間)。"],[[["\u003cp\u003eThe \u003ccode\u003econsole\u003c/code\u003e class enables developers to write logs to Google Cloud's Stackdriver Logging service with various severity levels (DEBUG, INFO, ERROR, WARNING).\u003c/p\u003e\n"],["\u003cp\u003eIt provides methods like \u003ccode\u003econsole.log()\u003c/code\u003e, \u003ccode\u003econsole.info()\u003c/code\u003e, \u003ccode\u003econsole.error()\u003c/code\u003e, and \u003ccode\u003econsole.warn()\u003c/code\u003e for logging messages with different severity.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can use \u003ccode\u003econsole.time()\u003c/code\u003e and \u003ccode\u003econsole.timeEnd()\u003c/code\u003e to measure the execution time of specific code blocks.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003econsole\u003c/code\u003e methods accept format strings and values for structured logging, allowing objects and other data types to be included in log entries.\u003c/p\u003e\n"],["\u003cp\u003eLog entries can be viewed and analyzed in the Stackdriver Logging interface for debugging and monitoring purposes.\u003c/p\u003e\n"]]],[],null,["console\n\nThis class allows the developer to write to the Execution log and to [Google Cloud Logging](https://cloud.google.com/logging) if the script is associated with\na [standard\nCloud Project](https://developers.google.com/apps-script/guides/cloud-platform-projects#standard).\n\nFor full support of Cloud Logging and structured logging, use [Logger](/apps-script/reference/base/logger). The `console` methods\nserialize the objects to strings and do not support `json``Payload` as part of the structured\nlogging [`Log``Entry`](https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry).\n\n```javascript\nfunction measuringExecutionTime() {\n const label = \"myFunction() time\"; // Labels the timing log entry.\n console.time(label); // Starts the timer.\n try {\n myFunction(); // Function to time.\n } catch (e) {\n // Logs an ERROR message.\n console.error(\"myFunction() yielded an error: \" + e);\n }\n console.timeEnd(label); // Stops the timer, logs execution duration.\n}\n\nfunction myFunction() {\n // ...\n}\n``` \n\nMethods\n\n| Method | Return type | Brief description |\n|-----------------------------------------------------------|-------------|------------------------------------------------------------------------|\n| [error()](#error()) | `void` | Outputs a blank ERROR level message to Stackdriver Logging. |\n| [error(formatOrObject, values)](#error(Object,Object...)) | `void` | Outputs an ERROR level message to Stackdriver Logging. |\n| [info()](#info()) | `void` | Outputs blank INFO level message to Stackdriver Logging. |\n| [info(formatOrObject, values)](#info(Object,Object...)) | `void` | Outputs an INFO level message to Stackdriver Logging. |\n| [log()](#log()) | `void` | Outputs a blank DEBUG level message to Stackdriver Logging. |\n| [log(formatOrObject, values)](#log(Object,Object...)) | `void` | Outputs a DEBUG level message to Stackdriver Logging. |\n| [time(label)](#time(String)) | `void` | Starts a timer you can use to track how long an operation takes. |\n| [timeEnd(label)](#timeEnd(String)) | `void` | Stops a timer that was previously started by calling `console.time()`. |\n| [warn()](#warn()) | `void` | Outputs a blank WARNING level message to Stackdriver Logging. |\n| [warn(formatOrObject, values)](#warn(Object,Object...)) | `void` | Outputs a WARNING level message to Stackdriver Logging. |\n\nDetailed documentation \n\n`error()` \nOutputs a blank ERROR level message to Stackdriver Logging.\n\n*** ** * ** ***\n\n`error(formatOrObject, values)` \nOutputs an ERROR level message to Stackdriver Logging.\n\nParameters\n\n| Name | Type | Description |\n|----------------------|-------------|-------------------------------------------------------------------------------------------------------------------------------------------|\n| `format``Or``Object` | `Object` | a string containing zero or more substitution strings, or a JavaScript object to be logged as a JavaScript object if no other parameters. |\n| `values` | `Object...` | objects with which to replace substitution strings within the message. This gives you additional control over the format of the output. |\n\n*** ** * ** ***\n\n`info()` \nOutputs blank INFO level message to Stackdriver Logging.\n\n*** ** * ** ***\n\n`info(formatOrObject, values)` \nOutputs an INFO level message to Stackdriver Logging.\n\nParameters\n\n| Name | Type | Description |\n|----------------------|-------------|-------------------------------------------------------------------------------------------------------------------------------------------|\n| `format``Or``Object` | `Object` | a string containing zero or more substitution strings, or a JavaScript object to be logged as a JavaScript object if no other parameters. |\n| `values` | `Object...` | objects with which to replace substitution strings within the message. This gives you additional control over the format of the output. |\n\n*** ** * ** ***\n\n`log()` \nOutputs a blank DEBUG level message to Stackdriver Logging.\n\n*** ** * ** ***\n\n`log(formatOrObject, values)` \nOutputs a DEBUG level message to Stackdriver Logging.\n\nParameters\n\n| Name | Type | Description |\n|----------------------|-------------|-------------------------------------------------------------------------------------------------------------------------------------------|\n| `format``Or``Object` | `Object` | a string containing zero or more substitution strings, or a JavaScript object to be logged as a JavaScript object if no other parameters. |\n| `values` | `Object...` | objects with which to replace substitution strings within the message. This gives you additional control over the format of the output. |\n\n*** ** * ** ***\n\n`time(label)` \nStarts a timer you can use to track how long an operation takes.\n\nParameters\n\n| Name | Type | Description |\n|---------|----------|---------------------------------|\n| `label` | `String` | The name to give the new timer. |\n\n*** ** * ** ***\n\n`time``End(label)` \nStops a timer that was previously started by calling `console.time()`. The time duration\nis logged in Stackdriver.\n\nParameters\n\n| Name | Type | Description |\n|---------|----------|--------------------------------|\n| `label` | `String` | the name of the timer to stop. |\n\n*** ** * ** ***\n\n`warn()` \nOutputs a blank WARNING level message to Stackdriver Logging.\n\n*** ** * ** ***\n\n`warn(formatOrObject, values)` \nOutputs a WARNING level message to Stackdriver Logging.\n\nParameters\n\n| Name | Type | Description |\n|----------------------|-------------|-------------------------------------------------------------------------------------------------------------------------------------------|\n| `format``Or``Object` | `Object` | a string containing zero or more substitution strings, or a JavaScript object to be logged as a JavaScript object if no other parameters. |\n| `values` | `Object...` | objects with which to replace substitution strings within the message. This gives you additional control over the format of the output. |"]]
