get sqrt
HTML
<!DOCTYPE HTML>
<div class="col-xs-2">
<h1>Find Square Root</h1>
<div class="input-group">
<input type="number" id="number" name="number" class="form-control" placeholder="Number">
<span class="input-group-btn">
<button class="btn btn-default" type="button" onClick="getSqRt()">Submit</button>
</span>
</div>
<!-- /input-group -->
</div>
<!-- /.col-xs-2 -->
<p id="result"></p>
CSS
body {
padding: 15px;
}
#result {
font-size: 50px;
padding-top: 50px;
}
JAVASCRIPT
function getSqRt() {
var input = document.getElementById("number").value;
document.getElementById("result").innerHTML = "Result: " + Math.sqrt(input);
}