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Define object:
var color = "blue"; var speed = 120; var car = {color, speed}; console.log(car.color); // blue console.log(car.speed); // 120
in ES5:
var car = {color: color, speed: speed};
works with function:
var color = "blue"; var speed = 120; function go(){ console.log("start"); } var car = {color, speed, go}; console.log(car.color); //blue console.log(car.speed); //120 car.go(); // start
define function inside object:
var color = "blue"; var speed = 120; var car = { color, speed, go(){ console.log("start"); } }; console.log(car.color); //blue console.log(car.speed); //120 car.go(); // start
in ES5:
var car = { color, speed, go: function(){ console.log("start"); } };
get computed property:
var color = "blue"; var speed = 120; var car = { color, speed, ["go"]: function(){ console.log("start"); } }; console.log(car.color); //blue console.log(car.speed); //120 car.go(); // start
The same as:
car["go"](); // start
string concatenation or evaluation:
var color = "blue"; var speed = 120; var drive = "go"; var car = { color, speed, [drive]: function(){ console.log("start"); } }; console.log(car.color); //blue console.log(car.speed); //120 car.go(); // start car["go"](); // start
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原文地址：http://www.cnblogs.com/Answer1215/p/4197893.html
