javascript （用setTimeout而非setInterval） |
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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） |
