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October 7, 2016 08:05
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var settingsmap = new Map([ | |
[ 1, 'email'], | |
[ 2, 'url'] | |
]); | |
settingsmap.forEach(function (value, key) { | |
console.log(`Key: ${key} has value: ${value}`); | |
// Key: 0 has value: email | |
// Key: 1 has value: url | |
}); | |
settingsmap.size; //2 | |
settingsmap.set('username', 'lee'); //Map { 1: "email", 2: "url", username: "lee" } | |
settingsmap.size; //3 | |
settingsmap.get('username'); //"lee" | |
settingsmap.has('username'); //true | |
settingsmap.get('email'); //undefined | |
settingsmap.get('url'); //undefined | |
settingsmap.set('url', 'http://leeboonstra.com'); //Map { 1: "email", 2: "url", username: "lee", url: "http://leeboonstra.com" } | |
settingsmap.get('url'); //"http://leeboonstra.com"; | |
settingsmap.delete('url'); //true | |
settingsmap.has('url'); //false | |
settingsmap.get('url'); //undefined | |
settingsmap; //Map { 1: "email", 2: "url", username: "lee" } | |
settingsmap.clear(); //undefined | |
settingsmap.size; //0 |
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