How to get the value of key a and ‘a’ in javascript?
var obj = {a:1,'a':2}
How to get the value of key a and ‘a’ in javascript? var obj
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The first key
awill be overwritten by the second'a'.obj.awill return 2.If your key name is a valid Javascript identifier or a number, Javascript will allow you to omit the quotes in key names. In practice, however, it’s probably better to train yourself to always use quotes, to avoid confusion like this, and also because JSON requires them.