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在不使用框架时，拼接参数往往需要遍历dom元素获取其中的值，结构复杂时提供一种解决方法
给要获取其数据的元素添加name属性便于对象的拼接，一个函数中有数量不等的多个对象，对象拼接完成后
同过其某一属性的length值是否大于0，来判断必填项是否已填写，要去除前后空格
获取方法
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原文地址：https://www.cnblogs.com/ybhome/p/11685945.html
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