<html><head><title>JavaScript</title><style>
textarea {
width: 400px;
height:50px;
}
.red{
color:red;
}
</style>
</head>
<body>
<div>
<textarea class="txtLimits"></textarea>
<div class="output"></div>
</div>
<script>
const output = document.querySelector(".output");
const txt = document.querySelector("textarea");
/*
txt.addEventListener("change",textCounter);
txt.addEventListener("keyup",textCounter);
txt.addEventListener("keydown",textCounter);
*/
["keyup","keydown","change"].forEach(function(e){
txt.addEventListener(e,textCounter);
})
const maxLength = 20;
const warnLength = 7;
function textCounter(e){
let count = txt.value.length;
console.log(count);
if(count > maxLength){
txt.value = txt.value.substring(0,maxLength);
}
if(count > warnLength){
output.classList.add("red");
}else{
output.classList.remove("red");
}
output.innerHTML = (maxLength-count) + " characters left";
}
</script>
</body>
</html>