To determine when an XMLHttpRequest object has received a response from the server, but not found the page, which of the following tests should be used?

Question

Answer

if (this.readyState == 4 && this.status == 404)

Answer

if (this.readyState == 0 && this.status == 200)

Answer

if (this.readyState == 0)

Answer

if (this.readyState == 4 && this.status == 200)

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To determine when an XMLHttpRequest object has received a response from the serv...

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