check if a click is right click java

PHP
el.addEventListener('contextmenu', function(ev) {
    ev.preventDefault();
    alert('success!');
    return false;
}, false);$('#myElementID').click(function() {
	var isSomethingTrue = true;
    
    if(isSomethingTrue){
    	alert("something is true");
    }else{
    	alert("something is false");
    }
});
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