If you must support IE, use the Function.prototype.bind() method, which allows you to specify the value to use for all calls to a particular function. This way, you can easily bypass issues where it`s not clear what it will be, depending on the context from which your function was called. The code executed by setInterval() runs in a different execution context than the function from which it was called. Therefore, the this keyword for the function called is set on the window (or global) object, it is not the same as the value this for the function called setTimeout. See the following example (which uses setTimeout() instead of setInterval() – the problem is actually the same for both timers): All modern JavaScript runtimes (in browsers and elsewhere) support arrow functions, where lexical is – so we can write setInterval(()=> this.myMethod()) inside the myArray method. If you pass a method to setInterval() or another function, it is called with an incorrect value. This issue is discussed in detail in the JavaScript reference. As you can see, there is no way to pass this object to the callback function in legacy JavaScript. In the snippet above, a function named loop() is declared and executed immediately. loop() is called recursively in setTimeout() after the logic finishes. Although this model does not guarantee execution at a fixed interval, it does ensure that the previous interval is completed before the retry.
ORA-14759: Setting the interval is not allowed in this table. IntervalID returned is a nonzero numeric value that identifies the timer created by calling setInterval(). This value can be passed to clearInterval() to cancel the interval. Database: 11g Release 2 Error Code: ORA-14759 Description: SET INTERVAL is not allowed in this table. Cause: The SET INTERVAL clause has been specified. ALTER TABLE SET INTERVAL is only allowed for a partitioned table with a single partitioning column. Additionally, this table cannot have a maxvalue partition and cannot be the parent table for partitioned reference tables. Action: Use SET INTERVAL only for a valid table. It is possible to nest intervals. That is, the callback for setInterval() can in turn call setInterval() to start a different interval even if the first interval is still running.
To minimize the potential performance impact, the browser automatically applies a minimum value of 4ms for the interval once the intervals are nested beyond five levels. Attempts to specify a value of less than 4ms in deeply nested calls to setInterval() are pinned to 4 ms. The amount of time, in milliseconds (thousandths of a second), that the timer should delay between executions of the specified function or code. The default value is 0 if not specified. For more information about the allowed timeout range, see Timeout limits below. The above codes work on desktops, but not on mobile devices. Error(s) not found. Please point me in the right direction. If it is possible that the logic may take longer to execute than the interval, it is recommended that you call a recursively named function using setTimeout(). For example, if you use setInterval() to poll a remote server every 5 seconds, network latency, an unresponsive server, and a host of other issues can prevent the request from completing within the allotted time. Therefore, you may have XHR requests in the queue that are not necessarily returned in the correct order.
The following example shows the basic syntax of setInterval(). Thank you for responding to Stack Overflow! Contributed. Additional arguments passed to the function specified by func when the timer expires. It may be useful to know that setInterval() and setTimeout() use the same ID pool and that clearInterval() and clearTimeout() can be used technically interchangeably. However, for clarity, you should try to always match them to avoid confusion when managing your code. A function that runs every millisecond of delay. The first execution takes place after a few milliseconds of delay. The following example calls the flashtext() function once every second until you press the Stop button. The setInterval() method offered on the Window and Worker interfaces repeatedly calls a function or executes a code snippet, with a fixed delay between each call. Note: The delay argument is converted to a 32-bit signed integer. This effectively limits the delay to 2147483647 ms because it is specified in the IDL as a signed integer.
For more information, check out our tips for writing good answers. This method returns an interval ID that uniquely identifies the interval so that you can delete it later by calling clearInterval(). Browsers may apply even stricter minimum interval values in certain circumstances, although these should not be common. Also note that the actual time between calls to call back may be longer than the time indicated. For examples, see Reasons for delays longer than specified in setTimeout(). An optional syntax allows you to include a string instead of a function that compiles and executes every millisecond of delay. This syntax is not recommended for the same reasons that make the use of eval() a security risk.