Javascript IF/Else and performance
Javascript IF/Else and performance
if/else语句会影响性能吗?
编辑:好吧，这是荒谬的
您的同事可能指的是，在某些情况下，每次分配一个变量比检查某些条件然后分配它要快。
var a = 2;
function slower() {
if (a !== 0)
a = 0;
}
function faster() {
a = 0;
}
说真的，考虑到今天的计算机有多么强大，考虑单个if语句对性能的影响是相当荒谬的。
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