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如何在恢复结果之前在图像载荷中执行代码?
原标题:how to execute code inside of image onload function before returning the result?
  • 时间:2011-10-15 16:25:39
  •  标签:
  • image
  • onload

我希望返回在图像载荷功能内实施的代码。 该法典是:

function loadImage() {
  var data = null;
   var image = new Image();
   image.onload = function() {
     console.log("I am inside of image load function");
     data = "I am inside";
   }
   image.src="flower.jpg";
   console.log("I am outside of image load function");

   console.log(data);
   return data;
}

造成火灾的恶英 con是:

I am outside of image load function
null
I am inside of image load function

想要的是,上述法典应当归还在功能上载图像中分配的数据价值,即。 i 想要获得的数据“我身边”。 i.e.

I am inside of image load function
I am outside of image load function
I am inside

如何取得预期结果?

如何首先在图像上载功能中执行该代码,然后在功能之外实施?

问题回答

我猜测,上述事例是 sample倒其他东西的样本?

你们不相信你会再做些什么,但看你的法典,你会理解,什么是失败了?

由于图像仓的装饰物,因此数据可能在ole点上失效。

当图像负荷时,如果你能够把图像从卸载甚至手里去做,那么你会怎么做呢?





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