Javascript – Javascript-JSON-zu-Array-Konvertierungsmaster

Question

[{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/mht.jpg"},{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/mht.jpg"},{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/lz.jpg"}]

这样的json怎么转化为 ['http:\/\/vrjx.zhed.com\/Public\/mht.jpg', 'http:\/\/vrjx.zhed.com\/Public\/mht.jpg', 'http:\/\/vrjx.zhed.com\/Public\/mht.jpg']

用JavaScript 怎么转

Answer 1

var arr =[{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/mht.jpg"},{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/mht.jpg"},{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/lz.jpg"}];
res = arr.map(function(i){return i.xc_images;})
["http://vrjx.zhed.com/Public/mht.jpg", "http://vrjx.zhed.com/Public/mht.jpg", "http://vrjx.zhed.com/Public/lz.jpg"]

Answer 2

jsonData.map(function (item) { return item.xc_images })

Answer 3

var a = [{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/mht.jpg"},{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/mht.jpg"},{"xc_images":"http:\/\/vrjx.zhed.com\/Public\/lz.jpg"}];

var res = a.map(e => e.xc_images); 

console.log(res); 

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Answer 4

将字符串转成对象再操作