javascript function multiple parameters
function sum(...values) {
console.log(values);
}
sum(1);
sum(1, 2);
sum(1, 2, 3);
sum(1, 2, 3, 4);
function sum(...values) {
let sum = 0;
for (let i = 0; i < values.length; i++) {
sum += values[i];
}
return sum;
}
console.log(sum(1)); //1
console.log(sum(1, 2)); //3
console.log(sum(1, 2, 3)); // 5
console.log(sum(1, 2, 3, 4)); //10javascript pass function as parameter
//passing a function as param and calling that function
function goToWork(myCallBackFunction) {
//do some work here
myCallBackFunction();
}
function refreshPage() {
alert("I should be refreshing the page");
}
goToWork(refreshPage);How to Pass Parameter in JavaScript Function From Html
<!DOCTYPE html>
<html>
<head>
<title>function parameters javascript</title>
</head>
<body>
<button onclick="myfunctionName('rohan')">Click</button>
<script type="text/javascript">
function myfunctionName(a){
alert(a);
}
</script>
</body>
</html>passing html vlaues to Javascript function
<body>
<h1>Adding 'a' and 'b'</h1>
a: <input type="number" name="a" id="a"><br>
b: <input type="number" name="b" id="b"><br>
<button onclick="add(document.getElementById('a').value,document.getElementById('b').value)">Add</button>
<script>
function add(a,b) {
var sum = parseInt(a) + parseInt(b);
alert(sum);
}
</script>
</body>Copyright © 2021 Codeinu
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