Javascript 多维数组的推送
我正在努力学习多维数组。实际上,我做了几个小时的研究,但没有发现任何有用的东西 我有一个多维数组,看起来像这样:Javascript 多维数组的推送,javascript,arrays,multidimensional-array,Javascript,Arrays,Multidimensional Array,我正在努力学习多维数组。实际上,我做了几个小时的研究,但没有发现任何有用的东西 我有一个多维数组,看起来像这样: var locations = [ ['Bondi Beach', -33.890542, 151.274856, 4, 0], ['Coogee Beach', -33.923036, 151.259052, 1, 1], ['Cronulla Beach', -34.028249, 151.157507, 3, 2], ['Manly Beach', -33.80
var locations = [
['Bondi Beach', -33.890542, 151.274856, 4, 0],
['Coogee Beach', -33.923036, 151.259052, 1, 1],
['Cronulla Beach', -34.028249, 151.157507, 3, 2],
['Manly Beach', -33.80010128657071, 151.28747820854187, 2, 0],
['Maroubra Beach', -33.950198, 151.259302, 5, 2]
];
现在我想用push-like向数组中添加一些内容:
最后应该是这样的:
var locations = [
['Bondi Beach', -33.890542, 151.274856, 4, 0],
['Coogee Beach', -33.923036, 151.259052, 1, 1],
['Cronulla Beach', -34.028249, 151.157507, 3, 2],
['Manly Beach', -33.80010128657071, 151.28747820854187, 2, 0],
['Maroubra Beach', -33.950198, 151.259302, 5, 2],
['Cronulla Beach 2', -34.028249, 151.157507, 8, 7]
];
注意:我需要一个数组,所以如果它是一个带有对象的解决方案,它对我没有帮助
如果数组仍然为空(如
位置[]),则解决方案最好也能起作用代码>由于多维数组只是数组的数组,您只需将对象列表放在方括号中即可创建新数组,因此可以执行以下操作:
locations.push(['Cronulla Beach 2', -34.028249, 151.157507, 8, 7]);
要访问或编辑现有位置,请使用其索引:
var location = locations[0];
console.log(location);
locations[0][0] = "Bomba Beach"; // change name of first location
locations[0][1] = -30.2; // change latitude of first location
只需将内容放在另一个数组中,并将其放入您的位置
数组中,如
locations.push(['Cronulla Beach 2', -34.028249, 151.157507, 8, 7]);
locations.push(['Cronulla Beach 2', -34.028249, 151.157507, 8, 7]);