javascript （用setTimeout而非setInterval）_javascript技巧_
2014-11-25 13:42:33
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复制代码 代码如下:
var num = 0;
var max = 10;
function incrementNumber() {
num++;
//if the max has not been reached, set another timeout
if (num < max) {
setTimeout(incrementNumber, 500);
} else {
alert(“Done”);
}
}
setTimeout(incrementNumber, 500);
如果用setInterval 可能出现 下次调用会在前一次调用前调用 （
True intervals are rarely used in production environments because it ' s possible that one interval will begin before the previous one has finished executing）
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