JAVASCRIPT AND HTML <?xml version=\"1.0\" encoding=\"utf-8\"?> <!DOCTYPE html PU
ID: 3914232 • Letter: J
Question
JAVASCRIPT AND HTML
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8"/>
<title>JavaScript HW3</title>
<script type="text/javascript">
function display(num) {
var node = document.getElementById("display");
node.value+=num;
}
function result(op)
{
document.getElementById("display")=eval(document.getElementById("display").value)
}
</script>
</head>
<body>
<h1>Simple calculator</h1>
<form action="" method="get">
<p>
<input type="text" id="display"/>
</p>
</form>
<form action="" method="get">
<div class="button">
<input type="button" class="btn" name="b7" value="7"/>
<input type="button" class="btn" name="b8" value="8"/>
<input type="button" class="btn" name="b9" value="9"/>
<input type="button" class="btn" name="db" value="/"/><br></br>
<input type="button" class="btn" name="b4" value="6"/>
<input type="button" class="btn" name="b5" value="5"/>
<input type="button" class="btn" name="b6" value="4"/>
<input type="button" class="btn" name="mb" value="*"/><br></br>
<input type="button" class="btn" name="b1" value="3"/>
<input type="button" class="btn" name="b2" value="2"/>
<input type="button" class="btn" name="b3" value="1"/>
<input type="button" class="btn" name="mib" value="-"/><br></br>
<input type="button" class="btn" name="db" value="."/>
<input type="button" class="btn" name="b0" value="0"/>
<input type="button" class="btn" name="eb" value="="/>
<input type="button" class="btn" name="ab" value="+"/><br></br>
</div>
</form>
<!-- W3C XHTML Validation logo-->
<p>
<a href="http://validator.w3.org/check?uri=referer"><img
src="http://www.w3.org/Icons/valid-xhtml11"
alt="Valid XHTML 1.1" height="31" width="88" /></a>
</p>
</body>
</html>
Simple calculator 73 7 8 9 4 5 6* r XHTML ? 1.1Explanation / Answer
If you have any doubts, please give me comment...
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
<title>JavaScript HW3</title>
<script type="text/javascript">
function display(num) {
var node = document.getElementById("display");
node.value += num;
}
function result(op) {
var res = eval(document.getElementById("display").value);
document.getElementById("display").value = res;
}
</script>
</head>
<body>
<h1>Simple calculator</h1>
<form action="" method="get">
<p>
<input type="text" id="display" />
</p>
</form>
<form action="" method="get">
<div class="button">
<input type="button" class="btn" name="b7" value="7" />
<input type="button" class="btn" name="b8" value="8" />
<input type="button" class="btn" name="b9" value="9" />
<input type="button" class="btn" name="db" value="/" /><br></br>
<input type="button" class="btn" name="b4" value="6" />
<input type="button" class="btn" name="b5" value="5" />
<input type="button" class="btn" name="b6" value="4" />
<input type="button" class="btn" name="mb" value="*" /><br></br>
<input type="button" class="btn" name="b1" value="3" />
<input type="button" class="btn" name="b2" value="2" />
<input type="button" class="btn" name="b3" value="1" />
<input type="button" class="btn" name="mib" value="-" /><br></br>
<input type="button" class="btn" name="db" value="." />
<input type="button" class="btn" name="b0" value="0" />
<input type="button" class="btn" name="eb" value="=" />
<input type="button" class="btn" name="ab" value="+" /><br></br>
</div>
</form>
<!-- W3C XHTML Validation logo-->
<p>
<a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml11" alt="Valid XHTML 1.1" height="31" width="88" /></a>
</p>
</body>
</html>
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