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Javascript算法面试题全解
1.利用JS实现判断一个单词是否是回文。
function checkPalindrom(str) {
return str == str.split('').reverse().join('');
}
利用字符串和数组的各种方法，而不是利用循环来实现。
2.去掉一组整型数组重复的值。
别人是怎么写React组件的？
Javascript知识面试题全解
DOM元素e的e.getAttribute(propName)和e.propName有什么区别和联系？
http://www.jianshu.com/p/rRssiL
一个叫做特性，一个叫做属性。特性得到的值只能是字符串，而且获得的就是在原文件中设置的那个字符串，不会进行转换，而属性会进行转换，得到最终的结果。
有些属性通过两种方式得到的值相等，例如id,title。
其他的不一样，例如input的value属性，如果发生了变化，特性得到的依然是初始值，属性会得到最终的真实value。
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