button onpress html code example

Example 1: javascript onclick

// The element id (TheElementID) and var name (myElement) can be named anything.
var myElement = document.getElementByID('TheElementID');
myElement.onclick = function() {
	// Carry out a function here...
}

Example 2: calling function on click html

<img src="hospital.png" id="hospitals" onclick="damarkers();">