This article mainly introducesjavascriptimplementation of progress bar function based on timer. It briefly analyzes the function and usage of javascript timer and gives an example of progress bar function based on timer. Friends who are interested in JavaScript can refer to this article
The example in this article describes how JavaScript implements the progress bar function based on a timer. Share it with everyone for your reference, the details are as follows:
Timer in Javascript
windowThe method below the first linewindow. setInterval()
Start the timer
1.setInterval(function(function),time(how often the function is executed, in milliseconds))
will repeatedly execute an item Operation
2.setTimeout is used to delay a period of time before performing an operation
setTimeout(function,time)
,setTimeout will not be repeated!
Stop the timer:
setTimeout corresponds to clearTimeout (object) Clear the set Tiemout object
setInterval corresponds is clearInterval(object) Clear the setInterval object
Gives a case:
m.sbmmt.com js进度条
When running the program, the The progress bar will load, and the loading speed is related to time!
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