Bitovi

forEach

Call a function on each property of a Map.

`map.forEach( callback(item, propName), [thisArg] )`

forEach iterates through the Map, calling a function for each property value and key.

Parameters

callback {function(item, propName)}:
the function to call for each property The value and key of each property will be passed as the first and second arguments, respectively, to the callback. If the callback returns false, the loop will stop.
thisArg {Object}:
the object to use as this inside the callback

Returns

this Map, for chaining

var names = [];
new Map({a: 'Alice', b: 'Bob', e: 'Eve'}).forEach(function(value, key) {
    names.push(value);
});

names; // ['Alice', 'Bob', 'Eve']

names = [];
new Map({a: 'Alice', b: 'Bob', e: 'Eve'}).forEach(function(value, key) {
    names.push(value);
    if(key === 'b') {
        return false;
    }
});

names; // ['Alice', 'Bob']