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How to implement button hiding div in javascript

藏色散人
藏色散人Original
2021-07-17 11:43:582580browse

Javascript method to implement button hiding div: first create a front-end sample file; then get the click event based on the id button; and finally add the event handling function.

How to implement button hiding div in javascript

The operating environment of this article: windows7 system, javascript1.8.5&&html5 version, DELL G3 computer

JavaScript click button to hide and show div Method

Get the click event based on the id button and add the event processing function
Effect:
How to implement button hiding div in javascript
How to implement button hiding div in javascript

<style>
		#dv{
			width: 100px;
			height: 100px;
			background-color: royalblue;
		}
	</style>
	<body>
		<input type="button" value="隐藏" id="btn"/>
		<!--<input type="button" value="显示" id="btn1"/>-->
		<p id="dv"></p>
		<script>
			function my(id){
				return document.getElementById(id);
			}
			//第一种方法
			/*my("btn").onclick=function(){
				my("dv").style.display="none";
			}
			my("btn1").onclick=function(){
				my("dv").style.display="block";
			}*/
			//第二种方法
			my("btn").onclick=function(){
				if (this.value =="隐藏") {
					my("dv").style.display="none";
					this.value="显示";
				} else if(this.value =="显示"){
					my("dv").style.display="block";
					this.value="隐藏";
				}
			}
		</script>
	</body>

Recommended study: "javascript Advanced Tutorial"

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