CodePen Embed - increment/decrement

<input id="btnPlus" type="button" value="+" onclick="numberPlus()">
<input id="btnMinus=" type="button" value="-" onclick="numberMinus()">
<p id="number">0</p>

var x = 0
function numberPlus() {
	document.getElementById("number").innerHTML= ++x;  
}
function numberMinus() {
	document.getElementById("number").innerHTML= --x;
}

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This Pen is owned by Martin Muzatko on CodePen.

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