jQuery关于遍历数组的问题 [英] jQuery question about looping through an array

问题描述

我有一个像这样的数组:

I have an array like this:

var gridArray = [ 1,2,0,1,2,3,2,1,2,3,4,4,3,2,2,2,0 ]

我想要这样的jQuery each()函数:

And I would like a jQuery each() function like this:

$('li.node').each(function() {
                loop through the array
                            var rndTile = the current array digit

                $(this).css({ 'background-image': 'url(images/'+arrayDigit+'.jpg' });
            });

我该如何实现呢?

推荐答案

您需要将参数传递给每个回调.

You need to pass parameters to your each callback.

$(gridArray).each(function (i, val) {
  // i is the index in this loop.
  // val is the value at gridArray[i] in this loop.
});

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