You can’t use Map in map JavaScript. Either need an array of keys for your values in the object.
Array…
var data = {};
data['key'] = ['val1', 'val2']; // store an Array at data.key
data.key[0]; // 'val1'Object…
var data = {};
data['key'] = {key1:'val1', key2:'val2'}; // store an Object at data.key
data.key.key1; // 'val1'You can also simplify this using JavaScript object notation:
var data = {};
data.key = {val1: 'val2'};Map in map JavaScript
Simple example code.
<!DOCTYPE html>
<html>
<body>
<script >
var adata = {};
adata['key'] = ['val1', 'val2'];
console.log(adata)
var odata = {};
odata['key'] = {key1:'val1', key2:'val2'};
console.log(odata)
var data = {};
data.key = {val1: 'val2'};
console.log(data)
</script>
</body>
</html>Output:
Do comment if you have any doubts or suggestions on this Js map topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version