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我不明白为什么拼接方法不适合我。我有一个数组,看起来像:(它实际上是更大的,但我不想弄乱页)插入对象文字到数组中
var navItems = [ {
"content": "Panels",
"icon": "panels"
},
{
"content": "Samples",
"icon": "sample"
}];
我要插入一个项目在中间说:
var testNavItems = navItems.splice(1, 0, {
"content": "New Nav",
"icon": "New Nav"
});
console.log(testNavItems);
OR
var testNavItems = navItems.push({
"content": "New Nav",
"icon": "New Nav"
});
console.log(testNavItems);
我得到一个空的数组。这在JS中可能吗?
['.splice'](https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/splice)返回已元素删除,['.push'](https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/push)返回数组的新长度。始终检查文档。 – 2013-03-26 18:43:23