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本文實例為大家分享了JavaScript實現顏色查看器的具體代碼，供大家參考，具體內容如下

實現效果

方框中初始為白色
輸入框中輸入顏色代碼，點擊查看顏色，在上方即可出現對應顏色
點擊復原，復原到初始的白色，同時清空輸入框的內容

JavaScript實現顏色查看器

實現代碼

				?

									<!DOCTYPE html>

									<html lang="zh-CN">

									    <head>

									        <meta charset="UTF-8" />

									        <title>顏色查看器</title>

									        <style>

									            #color {

									                width: 150px;

									                height: 150px;

									                background-color: #fff;

									                border: 1px solid #000;

									            }

									        </style>

									    </head>

									    <body>

									        <div id="color"></div>

									        <input id="inp" type="text" placeholder="請輸入顏色代碼..." />

									        <button id="trans">查看顏色</button>

									        <button id="rst">復原</button>

									    </body>

									    <script>

									        let trans = document.getElementById('trans');

									        let color = document.getElementById('color');

									        let inp = document.getElementById('inp');

									        let rst = document.getElementById('rst');

									        trans.addEventListener('click', () => {

									            color.style.backgroundColor = inp.value;

									        });

									        rst.addEventListener('click', () => {

									            color.style.backgroundColor = '#fff';

									            inp.value = '';

									        });

									    </script>

									</html>