55 lines
1.4 KiB
HTML
55 lines
1.4 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<meta charset="UTF-8">
|
||
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||
|
|
<title>Document</title>
|
||
|
|
<style>
|
||
|
|
div.traffic-lights{
|
||
|
|
display: grid;
|
||
|
|
background-color: black;
|
||
|
|
}
|
||
|
|
|
||
|
|
div.lights{
|
||
|
|
border-radius: 50%;
|
||
|
|
width: 3rem;
|
||
|
|
height: 3rem;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div id="app" class="traffic-lights">
|
||
|
|
|
||
|
|
</div>
|
||
|
|
<script>
|
||
|
|
showGreen();
|
||
|
|
function showGreen(){
|
||
|
|
show('showYellow', 'grey', 'grey','green')
|
||
|
|
};
|
||
|
|
function showYellow(){
|
||
|
|
show('showRed', 'grey', 'yellow', 'grey')
|
||
|
|
};
|
||
|
|
function showRedYellow(){
|
||
|
|
show('showGreen','red','yellow','grey')
|
||
|
|
};
|
||
|
|
function showRed(){
|
||
|
|
show('showRedYellow','red','grey','grey')
|
||
|
|
};
|
||
|
|
function show(onclickFunc ,lamp1, lamp2, lamp3) {
|
||
|
|
document.getElementById('app').innerHTML = /*HTML*/ `
|
||
|
|
<div id="trafficLights" onclick="${onclickFunc}()">
|
||
|
|
${createLampHtml(lamp1)}
|
||
|
|
${createLampHtml(lamp2)}
|
||
|
|
${createLampHtml(lamp3)}
|
||
|
|
</div>
|
||
|
|
`;
|
||
|
|
|
||
|
|
};
|
||
|
|
function createLampHtml(color){
|
||
|
|
return /*HTML*/ `
|
||
|
|
<div class="lights" style="background-color: ${color};"></div>
|
||
|
|
`;
|
||
|
|
};
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|