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JavaScript 使用对象进行查找值

// Setup
function phoneticLookup(val) {
var result = "";
// Only change code below this line
var lookup = {
"alpha": "Adams",
"bravo":  "Boston",
"charlie": "Chicago",
"delta": "Denver",
"echo": "Easy",
"foxtrot": "Frank"
};
  result=lookup[val];
// Only change code above this line
return result;
}
// Change this value to test
phoneticLookup("charlie");
JavaScript 删除对象属性
JavaScript 检查对象属性
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HTML5&CSS

JavaScript

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