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Count the number of interval correspondence in the asynchronous code
Here is an example of an article with code extracts:
Introduction
In asynchronous programming, you can keep track of specific events or conditions that occur in a loop. In this article, we will explore how to count the number of times « Interval1> Interval2 » occurs in an asynchronous function.
the problem
Let’s say that you write a function that updates a Gui element based on a certain condition:
`Javascript
Asynchronous function updategui () {
Const Data = Wait Getchartdata (); // Recover data from the API graphic
if (data.type === 'bar') {
interval1.VALUE = Data.Values [0]; // set the interval1 to the value of the first bar
interval2.VALUE = Data.Values [1]; // set the interval2 to the value of the second bar
// Update the GUI element based on interval values
UpdateTEGUIELALE (Interval1, Interval2);
}
}
'
The problem is that we do not know how many timesInterval1> Interval2 » occurs in this function. We must write a counter variable to keep track of the number of correspondence.
Solution
Here is an example of how you can create a counter variable and use it to count the number of times Interval1> Interval2:
`Javascript
Asynchronous function updategui () {
Const Data = Wait Getchartdata (); // Recover data from the API graphic
Be MatchCount = 0; // Initialize the counter
for (constant constant of data.Values) {
If (value> Data.values [1]) {// Check if the value is greater than the interval2
Match Counter ++; // Complement of CONSTRESS TO REAL
}
}
UpdateTEGUIElement (MatchCount); // Pass the counter to the guy element
}
'
In this example, we initialize a variable "matchcount" inside the loop and increasing it whenever we find an interval1> interval2 pair. Finally, we pass the "matchcount" value to the GUI element.
Example of use cases
Here is an updated version of the code with some data examples:
Javascript
Asynchronous function updategui () {
Const Data = Wait Getchartdata (); // Recover data from the API graphic
Be MatchCount = 0; // Initialize the counter
for (constant constant of data.Values) {
If (value> Data.values [1]) {// Check if the value is greater than the interval2
Match Counter ++; // Complement of CONSTRESS TO REAL
}
}
UpdateTEGUIElement (MatchCount); // Pass the counter to the guy element
Return Promed.resolve (); // returns a resolved promise
}
// Example of use:
Updatetegui (). then (() => {
Console.log ('Interval Matches:', MatchCount);
});
'
In this example, we have added some examples of data and a "updatelically" function which simply records the valueMatch -Count » to the console. The recall function transmitted to updategui () returns a resolved promise, which allows us to manage the result without blocking the execution of other tasks.
Conclusion
Using a meter variable, you can easily count the number of times as a asynchronous condition like `Interval1> Interval2 » occurs in your code. This facilitates effective and readable asynchronous code writing that manages complex logic management.