<-- KIRTISHIL PATIL -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Javascript</title>
</head>
<body>
<h1 id="hd">This is heading</h1>
<p id="par">This is paragraph</p>
<!-- Javascript -->
<script>
// output
document.getElementById("hd").innerHTML = "added by script";
document.write("Added by js"); //should only be used for testing
alert("Alert???");
console.log(1+5);
console.warn("This is warning");
console.error("This is error");
//variables
var a=1;
let b=5;
b=10; //block level scope & reassign values
const c=20; //block level scope
//object
var obj = {
Kirtishil:23,
Sushil:21,
Buddha:24
}
console.log(obj);
// String operations
const name = 'Kirtishil';
const name2 = 'Patil';
console.log(name+name2);//concat
console.log(name.length);//length
console.log(name.toUpperCase());//big
console.log(name.toLowerCase());//small
console.log(name.substring(0,5));//start to end
console.log(name.split(''));//split into 1 char
//Arrays
const num = new Array(1,2,3,4,5);
console.log(num);
const fruits = ['apple', 'banana', 'orange'];
console.log(fruits);
fruits[3] = 'grapes';//Add
console.log(fruits);
fruits.push('mangoes');
fruits.unshift('straberries');
console.log(fruits);
fruits.pop();
console.log(fruits);
console.log(fruits.indexOf('apple'));
//loops
console.log("for Loop");
//for
for(let i=0;i<10;i++){
console.log(i);
}
console.log("while Loop");
//while
let i=0;
while(i<10){
console.log(i);
i++;
}
console.log("foreach Loop");
var arr = [1,2,3,4,5];
arr.forEach(function(element){
console.log(element);
})
</script>
</body>
</html>
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