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array_search.html
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array_search.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Search Element in Array</title>
<script>
// let data =[20,40,60,5,10,70,80,99];
// let item=70;
// let index=undefined;
// for(i=0;i<=data.length-1;i++){
// // console.warn(data[i])
// if(data[i]===item)
// {
// index=i;
// break;
// }
// }
// console.warn(index);
// console.warn(data.indexOf(item))
// data.splice(2,1)
// console.warn(data)
function searchElement(){
let data =[20,40,60,5,10,70,80,99];
let item=document.getElementById('searchEl').value;
let index=undefined;
for(i=0;i<=data.length-1;i++){
// console.warn(data[i])
if(data[i]===parseInt(item))
{
index=i;
break;
}
}
console.warn(index);
}
</script>
</head>
<body>
<input type="text" placeholder="enter value" id="searchEl">
<button onclick="searchElement()" >Search Element</button>
</body>
</html>