Input binding carriage return event analysis

##This article mainly shares with you the input binding enter event analysis, mainly Sharing it in the form of code, I hope it can help everyone.

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<input type="text" id="message" onkeypress="return onKeyPress(event)" >

script

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	function onKeyPress(e) {
		var keyCode = null;
	
		if(e.which)
			keyCode = e.which;
		else if(e.keyCode)
			keyCode = e.keyCode;
	
		if(keyCode == 13) {
			SendMessage();
			return false;
		}
		return true;
	}
	
	function SendMessage() {
		console.log(1)
	}

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