var _canvase=document.getElementsByTagName("canvas")[0]
_canvase.ontouchstart = function(e) {
_canvase.ontouchstart = function(e) {
console.log("55559")
};
var _canvase=document.getElementsByTagName("canvas")[0]
_canvase.ontouchstart = function(e) {
_canvase.ontouchstart = function(e) {
console.log("55559")
};there's nothing wrong with it, but why do you write it twice?
<div style="border:1px solid -sharpccc;">
<canvas style="width:100px;height:100px;"></canvas>
</div>
<script>
var ctx = document.getElementsByTagName("canvas")[0];
ctx.ontouchstart = function(e){
console.log('33333333');
}
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