Testim Documentation

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waitForCode(code [,options])

This method polls the page every 100 (default ms) until a passed JavaScript value is true (well, truthy).

  • code {Function} a JavaScript function to evaluate.
  • returns: Promise that fulfills when the expression evaluates to true.
  • options {object}
    • pollInterval { number } how often to poll the page in milliseconds (default 100ms)

For example:

// ✅ wait for page body loaded
await waitForCode(() => document.body); // wait for page body loaded
// ✅ wait for page body loaded, check every one second
await waitForCode(() => document.body, {
  pollInterval: 10000
});
// ✅ poll a JavaScript variable
await waitForCode(() => window.isTestReady);

// ✅ poll a JavaScript variable
await waitForCode(() => window.isTestReady);

// ❌ wait for a promise, use `evaluate` instead
await waitForCode(() => fetch('/health'));

// ❌ pass a function and not a string
await waitForCode('window.body');

// ❌ because the code is sent to the browser - avoid closures
let foo = 'body';
await waitForCode(() => window[foo]));

Updated about a month ago

waitForCode(code [,options])


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