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CODE EXAMPLE FOR CSS

js array map

let A = [9000, 8500, 5500, 6500];
let B = A.map(function (value, index, array) {
    return value*2; // forEach 沒有在 return 的,所以不會有作用
});
console.log(B); // undefined
Source by ithelp.ithome.com.tw #
 
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Tagged: #js #array #map
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8+6 =