我通过jQuery的get函数获取JSON数据:删除前导号码(jQuery的获取)
$.get("https://api.coinmarketcap.com/v1/ticker/", function(data, status) {
$.each(data, function (index, item) {
var ticker = {
id: [item.id],
name: [item.name],
symbol: [item.symbol],
rank: [item.rank],
price_usd: [item.price_usd],
price_btc: [item.price_btc],
24h_volume_usd: [item.24h_volume_usd],
market_cap_usd: [item.market_cap_usd],
available_supply: [item.available_supply],
percent_change_1h: [item.percent_change_1h],
percent_change_24h: [item.percent_change_24h],
percent_change_7d: [item.percent_change_7d],
last_updated: [item.last_updated]
};
});
});
作为一个例子,该项目变量本身(的console.log)包含此类型的数据:
{
id: "bitcoin",
name: "Bitcoin",
symbol: "BTC",
rank: "1",
price_usd: "2238.86",
price_btc: "1.0",
24h_volume_usd: "1206490000.0"
// ...
}
然而,当我尝试访问item.24h_volume_usd
,javascript的抛出以下错误:
SyntaxError: identifier starts immediately after numeric literal
我后来看到JavaScript不能有以数字开头的变量。所以问题是:
那么我如何访问这个变量呢?
这不是一个变量。变量名称不能以数字字符开头。 –