Latex使用简介 

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Hello, World

$$Hello, World$$

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\sin(\alpha)^{\theta}=\sum_{i=0}^{n}(x^i + \cos(f))

$$\sin(\alpha)^{\theta}=\sum_{i=0}^{n}(x^i + \cos(f))$$

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e[(e+\pi)(e+e+\pi)]^e+\frac e {(\pi^e-e)(e+e^\pi-\pi^e)}\approx114514.1919810

$$e[(e+\pi)(e+e+\pi)]^e+\frac e {(\pi^e-e)(e+e^\pi-\pi^e)}\approx114514.1919810$$

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E=mc^2

$$E=mc^2$$

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\cos (2\theta) = \cos^2 \theta - \sin^2 \theta

$$\cos (2\theta) = \cos^2 \theta - \sin^2 \theta$$

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x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}

$$ x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a} $$

CSDN
知乎-1
知乎-使用Markdown输出LaTex数学公式
PDF
symbols.pdf

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代码高亮测试页面-JavaScript 

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st=>start: 用户登陆
op=>operation: 登陆操作
cond=>condition: 登陆成功 Yes or No?
e=>end: 进入后台

st->op->cond
cond(yes)->e
cond(no)->op
                ### 绘制序列图 Sequence Diagram
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Andrew->China: Says Hello 
Note right of China: China thinks\nabout it 
China-->Andrew: How are you? 
Andrew->>China: I am good thanks!
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function test() {
	console.log("Hello world!");
}
 
(function(){
    var box = function() {
        return box.fn.init();
    };

    box.prototype = box.fn = {
        init : function(){
            console.log('box.init()');

			return this;
        },

		add : function(str) {
			alert("add", str);

			return this;
		},

		remove : function(str) {
			alert("remove", str);

			return this;
		}
    };
    
    box.fn.init.prototype = box.fn;
    
    window.box =box;
})();

var testBox = box();
testBox.add("jQuery").remove("jQuery");

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tag:

    缺失模块。
    1、请确保node版本大于6.2
    2、在博客根目录（注意不是yilia根目录）执行以下命令：
    npm i hexo-generator-json-content --save

    3、在根目录_config.yml里添加配置： 

      jsonContent:
    meta: false
    pages: false
    posts:
      title: true
      date: true
      path: true
      text: false
      raw: false
      content: false
      slug: false
      updated: false
      comments: false
      link: false
      permalink: false
      excerpt: false
      categories: false
      tags: true

很惭愧<br><br>只做了一点微小的工作<br>谢谢大家