id가 없는 canvas 찾아서 id 셋팅하기
2021. 1. 23. 22:24ㆍJavascript/jQuery
<meta charset="UTF-8">
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script src="./js/tiff.min.js"></script>
<script type='text/javascript'>
function get() {
var temp = $('#temp')
console.log(temp[0].id);
temp.attr('id','weather')
console.log(temp[0].id)
var temp = $('canvas')[4]
//var temp = $('canvas').get(4)
//var temp = document.getElementsByTagName('canvas')[4];
var temp = document.getElementsByTagName('canvas')[4];
console.log(temp)
temp.setAttribute('id','weather2')
console.log(temp.id)
}
</script>
<body onload='draw();'>
<input type='button' value='확대' onclick='large();'>
<input type='button' value='Canvas' onclick='get();'>
<canvas id="tutorial" width='150' height='150'></canvas>
</canvas>
<canvas id="temp" width='150' height='250'></canvas>
</canvas>
<canvas id="stockGraph" width='150' height='150'>
current stock price: $3.15 +0.15
</canvas>
<canvas id='clock' width='150' height='150'>
</canvas>
<img src='./a.png' width='150' height='150' alt='aaaaa'>
</body>
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