How to add Two more Button sharepoint List column

Question

Creating Shrepoint deign page. in creating list . in the list last column have i need to add three button.previous i added one button like this method use calculated column datatype choose number added following formula

="<button onclick=""alert('Hello World!')"">Interim Testing</button>"

Now I want add two button how can i add? follow this way i cant able to add button? using sharepoint Designer 2010. please any one give some idea about it

Answer 1

Note:

in June 2017, Microsoft disabled the use of JavaScript in a Calculated Column

That means given answers may not apply for newer SharePoint versions

For long explanation and work arounds see:
June 13th 2017 Microsoft blocked handling HTML markup in SharePoint calculated fields - how to get the same functionality back

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Original answer:

="<button onclick=""alert('You clicked One')"">1</button>"
 &"<button onclick=""alert('You clicked Two')"">2</button>"
 &"<button onclick=""alert('You clicked Three')"">3</button>"

But, you will run in all sorts of programming trouble if you could not answer this yourself and you clearly do not have the required HTML & programming skills

Forcing code into a Calculated Column is not for the faint-hearted.
If you want to learn whats possible use the search box in the top right and search for 'icc'
and you should learn from those posts before asking more questions