What attribute makes the input text box to not be modified by the user?

checked="checked" readonly="readonly" disabled="disabled"

<input type="text" value="fixed-value" readonly="readonly" name="a_name" />

What CSS property allows you to create rounded corners in your webpage design?

background-size border-size border-radius

.class {
  border:2px solid blue;
  border-radius:1.2em;
}

What instruction displays a confirmation dialog box to the viewer, who must then click OK or Cancel to proceed?

indexOf() confirm() prompt()

var ques = window.confirm("The result of 0+0 is 0?");
if (ques) alert("Corect");
else alert("Incorrect");

Indicate the PHP function that returns the lowest number of the parameter values.

floor() ceil() min()

$min_nr = min(12, 8, 25, 13);
echo $min_nr;        // 8

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