# lesson04

**Repository Path**: superjunjin/lesson04

## Basic Information

- **Project Name**: lesson04
- **Description**: 极客时间第四课作业
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-07-21
- **Last Updated**: 2021-07-21

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

- 增加代码部分

```javascript
    else if(pnode.attr.get("if")){
        let [key, prop] = pnode.attr.get("if").split(".");
        if(data[key][prop]){//if设置true，添加此dom。if设置false，不添加此dom
            pnode.attr.delete('if')//删除属性map的if属性，只留下其余dom，去添加
            let html = scopehtmlParse(pnode, data, scope);
            let ele = createElement(pnode, html);
            scopeAtrrParse(ele, pnode, data, scope);
            pdom.appendChild(ele);

            pnode.children.forEach((item) => {
            stack.push([item, ele, scope]);
            });
        }     
    }
```