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javascript - Was bedeutet diese JS-Anweisung?
淡淡煙草味
淡淡煙草味 2017-05-19 10:24:04
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Bitte sagen Sie mir, was diese JS-Aussage bedeutet?

    var aa= {},
        bb= [{name: 'aa1'},{name: 'aa2'}];

Code oben.

淡淡煙草味
淡淡煙草味

Antworte allen(2)
Ty80

等價(jià)于

var aa = {};
var bb = [{name: 'aa1'},{name: 'aa2'}];

等價(jià)于

var aa;
var bb;
aa = {};
bb = [{name: 'aa1'},{name: 'aa2'}];

給 aa 初始化為一個(gè)空對(duì)象,給 bb 初始化為一個(gè)數(shù)組,含有兩個(gè)對(duì)象

給我你的懷抱

聲明aa是個(gè)空對(duì)象,bb是個(gè)數(shù)組,數(shù)組里有兩個(gè)對(duì)象屬相是name,值分別為aa1和aa2

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