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Two things. Remove the parenthesis in setTimeout(startTimer(),startInterval);. Keeping the parentheses invokes the function immediately. Your startTimer function will overwrite the page content with your use of document.write (without the above fix), and wipes out the script and HTML in the process.
To stop the setTimeOut method correctly, use the // "clearTimeout" method; passing in "timer", a.k.a our variable reference // to the setTimeOut instance, as the single argument needed to do so. // Thus utilizing JavaScript's inherit async behavior in a "pseudo" // synchronous way.
You need to use a function reference to be invoked later when the timer expires. Wrap each statement in an anonymous function so that it isn't executed immediately, but rather when the timer expires. setTimeout(function() { writeNumber.html("1"); },1000);
A step-by-step illustrated guide on how to resolve the issue where the setTimeout or setInterval methods are not working in JavaScript.
setTimeout() is an asynchronous function, meaning that the timer function will not pause execution of other functions in the functions stack. In other words, you cannot use setTimeout() to create a "pause" before the next function in the function stack fires. See the following example:
Learn why your JavaScript setTimeout is not working and how to fix it. This comprehensive guide covers common setTimeout errors, provides working code examples, and offers tips for debugging your own code.
Best Practices for Resolving Delay Issues. To address the delay issues associated with setTimeout and JavaScript code execution, it is essential to employ best practices that optimize performance and ensure timely task completion. 1. Use RequestAnimationFrame for Animations.