What is the setInterval() method in JavaScript?

setInterval()

This is many　one of the timing events. The window object allowscode　at a specifictime intervalThe object providesSetInterval()To repeat a function within a specific time period. It takes two parameters. One is the function, and the other is the time, which specifies the timerepeats executionThe time interval of this function.

Syntax

window.setInterval(function,　milliseconds,　param1,　param2,　...));

This method can also take other parameters and add them to the function.

Example1

In the following example, the method is definedsetInterval()　method, and declared3000 milliseconds or3seconds interval. Therefore, the internal function provided will repeat every3seconds repeat. In9seconds within the time range, the results are displayed in the output.

<html>
<body>
<script>
　　　setInterval(function(){
　　　　　　document.write("Tutorix　</br>");
　　　},　3000);
</script>
</body>
</html>

Output Result

Tutorix
Tutorix
Tutorix

Example2

In the following example, the method is defined and declared2000 milliseconds interval. Therefore, the internal function provided will repeat every2seconds repeat. The results are displayed in the output. setInterval()

<html>
<body>
<script>
　　　setInterval(function(){
　　　　　　document.write("Hello　</br>");
　　　},　2000);
</script>
</body>
</html>

Output Result

Hello
Hello

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