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Compound Assignment With Augmented Addition
具有增强加法的复合赋值
具有增强加法的复合赋值
计算机从左到右阅读。因此,使用'+ ='运算符意味着使用正确的数字添加变量,然后将变量分配给总和。像这样:
var a = 9; a += 10; // Now, 'a' is equal to 19