How to fix TypeError: c is null in KnockoutJS

How to fix TypeError: c is null in KnockoutJS:

When we run test the knockout js in firstime we may get error called TypeError: c is null. Due to these our sample program will get stoped.When this error may come: Below the script i placed & tested in a browser. Seems output is null & will get the error called
TypeError: c is null .

How to fix these issue:
We can fix these issue with below ways.
1. With Jquery we can fix the issue. We need to declare Jquery min file and we need to declare our KO-viewmodel inside the jquery ready function. As like below

2. Another way is the best practice to resolve these issue. This is with out Jquery library.We need to replace KO-ViewModel script to bottom of View section. As like below way.

Sample Code:

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