本文介紹了css 進度條的文字根據進度漸變的示例代碼，分享給大家，具體如下：
需求
1.進度條里面的文字需要根據進度的長度而變化
原理
用兩個一模一樣的樣式的 div 重疊起來
效果
字體開始為 藍色，跟隨進度條變為 白色
代碼
<!DOCTYPE html><html lang="cmn-hans"><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"> <script>!function(e,t){function n(){t.body?t.body.style.fontSize=12*o+"px":t.addEventListener("DOMContentLoaded",n)}function d(){var e=i.clientWidth/10;i.style.fontSize=e+"px"}var i=t.documentElement,o=e.devicePixelRatio||1;if(n(),d(),e.addEventListener("resize",d),e.addEventListener("pageshow",function(e){e.persisted&&d()}),o>=2){var a=t.createElement("body"),s=t.createElement("div");s.style.border=".5px solid transparent",a.appendChild(s),i.appendChild(a),1===s.offsetHeight&&i.classList.add("hairlines"),i.removeChild(a)}}(window,document);</script> <title>進度條漸變</title> <style type="text/css"> * { box-sizing: border-box; } .box{ position: fixed; left: 50%; transform: translate(-50%); width: 320px; height: 44px; background-color: white; color: #00a0e9; border: 1px solid #00a0e9; } .process{ position: absolute; height: 100%; width: 0; background: #00a0e9; color: white; overflow: hidden; z-index: 10; } .process-text{ position: absolute; left: 160px; top: 50%; font-size: 12px; transform: translate(-50%, -50%); white-space: nowrap; } </style> <script> function process() { var t = 1; var max = 320; var progress = document.getElementById("process"); var process_texts = document.getElementsByClassName("process-text"); var interval = setInterval(function () { if (t == max) { clearInterval(interval); for (var i in process_texts){ process_texts[i].innerHTML = '完成' } } else { progress.style.width = t + "px"; for (var i in process_texts){ process_texts[i].innerHTML = '進度' + (t / max * 100).toFixed(2) + "%" } t++; } }, 10) } </script></head><body><div class="box" onclick="process()"> <div class="process" id="process"> <span class="process-text">點擊開始</span> </div> <span class="process-text">點擊開始</span></div></body></html>以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林網。
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