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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UFT-8">
<meta name ="viewport" content="width=device-width, intial scale=1.0">
<meta http-equiv="X-UA-Compatible"
content="ie=edge">
<title>Document</title>
<link rel="stylesheet" type="text/css" href="main.css">
<script src="./node_modules/web3/dist/web3.min.js"></script>
</head>
<body>
<div class ="container">
<h1>daap instructor </h1>
<h2>Instructor</h2>
<label for ="name" class="col-lg-2 control-label">Instructors Name</label>
<input ="name" type="text">
<label for ="name" class="col-lg-2 control-label">Instructors Age</label>
<input ="Age" type="text">
<button id="button">Update Instructor</button>
</div>
<script src="https://code.jquery.com/jquery-3.6.0.slim.min.js"></script>
<script>
if (typeof web3!=="undefined"){
web3=new Web3(web3.currentProvider);
}
else{
web3=new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
}
web3.eth.defaultAccount=web3.eth.accounts[0];
//set up abi
var cosetroContract=web3.eth.contract([
{
"constant": false,
"inputs": [
{
"name": "_fname",
"type": "string"
},
{
"name": "_age",
"type": "uint256"
}
],
"name": "setInstructor",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "getInstructor",
"outputs": [
{
"name": "",
"type": "string"
},
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
}
])
//setting up contract address
var cosetro = cosetroContract.at('0x1cfDF19e508416985CCfa63e369525ba696BD07C');
console.log(cosetro)
cosetro.getInstructor(function(error,result){
if(!error){
$("#instructor").html(result[0]+'('+result[1]+'years old');
} else
console.log(error);
});
//jquery button function
$("#button").click(function(){
cosetro.getInstructor($("#name").val(),$("Age").val());
});
</script>
</body>
</html>