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class: ConsoleMessage

Added in: v1.8

ConsoleMessage objects are dispatched by page via the Page.event('console') event. For each console message logged in the page there will be corresponding event in the copilotbrowser context.

// Listen for all console logs
page.on('console', msg => console.log(msg.text()));

// Listen for all console events and handle errors
page.on('console', msg => {
  if (msg.type() === 'error')
    console.log(`Error text: "${msg.text()}"`);
});

// Get the next console log
const msgPromise = page.waitForEvent('console');
await page.evaluate(() => {
  console.log('hello', 42, { foo: 'bar' });  // Issue console.log inside the page
});
const msg = await msgPromise;

// Deconstruct console log arguments
await msg.args()[0].jsonValue(); // hello
await msg.args()[1].jsonValue(); // 42
// Listen for all console messages and print them to the standard output.
page.onConsoleMessage(msg -> System.out.println(msg.text()));

// Listen for all console messages and print errors to the standard output.
page.onConsoleMessage(msg -> {
  if ("error".equals(msg.type()))
    System.out.println("Error text: " + msg.text());
});

// Get the next console message
ConsoleMessage msg = page.waitForConsoleMessage(() -> {
  // Issue console.log inside the page
  page.evaluate("console.log('hello', 42, { foo: 'bar' });");
});

// Deconstruct console.log arguments
msg.args().get(0).jsonValue(); // hello
msg.args().get(1).jsonValue(); // 42
# Listen for all console logs
page.on("console", lambda msg: print(msg.text))

# Listen for all console events and handle errors
page.on("console", lambda msg: print(f"error: {msg.text}") if msg.type == "error" else None)

# Get the next console log
async with page.expect_console_message() as msg_info:
    # Issue console.log inside the page
    await page.evaluate("console.log('hello', 42, { foo: 'bar' })")
msg = await msg_info.value

# Deconstruct print arguments
await msg.args[0].json_value() # hello
await msg.args[1].json_value() # 42
# Listen for all console logs
page.on("console", lambda msg: print(msg.text))

# Listen for all console events and handle errors
page.on("console", lambda msg: print(f"error: {msg.text}") if msg.type == "error" else None)

# Get the next console log
with page.expect_console_message() as msg_info:
    # Issue console.log inside the page
    page.evaluate("console.log('hello', 42, { foo: 'bar' })")
msg = msg_info.value

# Deconstruct print arguments
msg.args[0].json_value() # hello
msg.args[1].json_value() # 42
// Listen for all console messages and print them to the standard output.
page.Console += (_, msg) => Console.WriteLine(msg.Text);

// Listen for all console messages and print errors to the standard output.
page.Console += (_, msg) =>
{
    if ("error".Equals(msg.Type))
        Console.WriteLine("Error text: " + msg.Text);
};

// Get the next console message
var waitForMessageTask = page.WaitForConsoleMessageAsync();
await page.EvaluateAsync("console.log('hello', 42, { foo: 'bar' });");
var message = await waitForMessageTask;
// Deconstruct console.log arguments
await message.Args.ElementAt(0).JsonValueAsync<string>(); // hello
await message.Args.ElementAt(1).JsonValueAsync<int>(); // 42

method: ConsoleMessage.args​

Added in: v1.8 Returns: Array<JSHandle>

List of arguments passed to a console function call. See also Page.event('console').

method: ConsoleMessage.location​

Added in: v1.8

Languages: JavaScript, Python Returns: Object

  • url <string> URL of the resource.
  • lineNumber <int> 0-based line number in the resource.
  • columnNumber <int> 0-based column number in the resource.

method: ConsoleMessage.location​

Added in: v1.8

Languages: C#, Java Returns: string

URL of the resource followed by 0-based line and column numbers in the resource formatted as URL:line:column.

method: ConsoleMessage.page​

Added in: v1.34 Returns: null|Page

The page that produced this console message, if any.

method: ConsoleMessage.text​

Added in: v1.8 Returns: string

The text of the console message.

method: ConsoleMessage.timestamp​

Added in: v1.59 Returns: float

The timestamp of the console message in milliseconds since the Unix epoch.

method: ConsoleMessage.type​

Added in: v1.8

Languages: JavaScript, Python Returns: ConsoleMessageType<"log"|"debug"|"info"|"error"|"warning"|"dir"|"dirxml"|"table"|"trace"|"clear"|"startGroup"|"startGroupCollapsed"|"endGroup"|"assert"|"profile"|"profileEnd"|"count"|"time"|"timeEnd">

method: ConsoleMessage.type​

Added in: v1.8

Languages: C#, Java Returns: string

One of the following values: 'log', 'debug', 'info', 'error', 'warning', 'dir', 'dirxml', 'table', 'trace', 'clear', 'startGroup', 'startGroupCollapsed', 'endGroup', 'assert', 'profile', 'profileEnd', 'count', 'timeEnd'.

method: ConsoleMessage.worker​

Added in: v1.57 Returns: null|Worker

The web worker or service worker that produced this console message, if any. Note that console messages from web workers also have non-null ConsoleMessage.page().