Vacheslav Starikov's

Archive for the ‘javascript’ Category

Hi everybody! I’ve just had a discussion of how to test for an emtpy javascript object. As a result, I have several code snippets and I want to share them with You.

Problem

alert({}==null); // false
alert({}=={}); // false
alert({}=={}); // false
alert({}==0); // false
alert({}==""); // false
alert({}==[]); // false
// etc :)

So, none of the expressions above can check for an empty javascript object.

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