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[Solved] Uncaught TypeError: Cannot use ‘in’ operator to search for ‘length’ in

Hello Guys, How are you all? Hope You all Are Fine. Today I get the following error Uncaught TypeError: Cannot use ‘in’ operator to search for ‘length’ in in javascript. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How Uncaught TypeError: Cannot use ‘in’ operator to search for ‘length’ in Error Occurs?

Today I get the following error Uncaught TypeError: Cannot use ‘in’ operator to search for ‘length’ in in javascript.

How To Solve Uncaught TypeError: Cannot use ‘in’ operator to search for ‘length’ in Error ?

  1. How To Solve Uncaught TypeError: Cannot use 'in' operator to search for 'length' in Error ?

    To Solve Uncaught TypeError: Cannot use 'in' operator to search for 'length' in Error The only solution that worked for me and $.each was definitely causing the error. so i used for loop and it's not throwing error anymore.

  2. Uncaught TypeError: Cannot use 'in' operator to search for 'length' in

    To Solve Uncaught TypeError: Cannot use 'in' operator to search for 'length' in Error The only solution that worked for me and $.each was definitely causing the error. so i used for loop and it's not throwing error anymore.

Solution 1

The in operator only works on objects. You are using it on a string. Make sure your value is an object before you using $.each. In this specific case, you have to parse the JSON:

$.each(JSON.parse(myData), ...);

Solution 2

The only solution that worked for me and $.each was definitely causing the error. so i used for loop and it’s not throwing error anymore.

Example code

     $.ajax({
            type: 'GET',
            url: 'https://example.com/api',
            data: { get_param: 'value' },
            success: function (data) {
                for (var i = 0; i < data.length; ++i) {
                    console.log(data[i].NameGerman);
                }
            }
        });

Summery

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you? Thank You.

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