js原生实现步骤条

实现思路:
1.定義一個流程數組和一个步骤状态
2.遍历这个流程数组,如果步骤状态大于流程,checked=true,
3.页面输出遍历的流程数组,checked的div点亮
最终效果
js原生实现步骤条_第1张图片

DOCTYPE html>
<html>
<title>js原生实现步骤条title>
<head>
<style type="text/css">
#wrapper {
    /* background-color: pink; */
}
#stepBox {
  display: flex;
  align-items: center;
}
#stepBox .step-item {
  display: flex;
  align-items: center;
  margin-left: 2px;
  /* border: 1px solid #000; */
}
.step-checked {
  color: #67c23a;
}
.step-item .line{
    display: inline-block;
    width: 100px;
    height: 2px;
    background-color: #c0c4cc;
}
.step-item .line-actived{
    width: 100px;
    height: 2px;
    background-color: #67c23a;
}
.button-box {
  display: flex;
}
.button {
  width: 80px;
  height: 40px;
  margin-top: 80px;
  line-height: 40px;
  text-align: center;
  border: 1px solid #000;
  cursor: pointer;
  border-radius: 5px;
  user-select: none;
}
.next-btn {
  margin-left: 20px;
}
style>        
head>
<body>
    <div id="wrapper">
      <div id="stepBox">div>

      <div class="button-box">
        <div class="button" onclick="backLastStep()">上一步div>
        <div class="button next-btn" onclick="nextStep()">下一步div>
      <div>

    div>
body>
<script>
var currentStep = 1; // 目前到达的步骤
var someArray = [{
    stepName: '步骤1',
  }, {
    stepName: '步骤2',
  }, {
    stepName: '步骤3',
  }]
function renderStepList() {
    var elementArray = []
    for(let index=0;index<someArray.length; index++){
        var isChecked = false
        var isChecked = ''
        if(index<currentStep) {
          isChecked = true
        }
        str = `
${isChecked?'step-checked':''}"> ${someArray[index].stepName} ${index<someArray.length-1? `${isChecked?'line-actived':''}">`:'' }
`
; elementArray.push(str) } document.getElementById("stepBox").innerHTML = elementArray.join('') } function nextStep () { // 点击下一步 if(currentStep > someArray.length-1) { alert('没有下一步了') return } currentStep = currentStep + 1 this.renderStepList() } function backLastStep () { // 点击上一步 if(currentStep < 0) { alert('没有上一步了') return } currentStep = currentStep - 1 this.renderStepList() } renderStepList();
script> html>

你可能感兴趣的:(bug与解决方案,javascript,css,css3)