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<li class="toctree-l3"><a class="reference internal" href="basic-query-for-javascript-code.html">Basic query for JavaScript code</a></li>
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<span id="id1"></span><h1>CodeQL for JavaScript<a class="headerlink" href="#codeql-for-javascript" title="Link to this heading"></a></h1>
<p>Experiment and learn how to write effective and efficient queries for CodeQL databases generated from JavaScript codebases.</p>
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<li><p><a class="reference internal" href="basic-query-for-javascript-code.html"><span class="doc">Basic query for JavaScript code</span></a>: Learn to write and run a simple CodeQL query using LGTM.</p></li>
<li><p><a class="reference internal" href="codeql-library-for-javascript.html"><span class="doc">CodeQL library for JavaScript</span></a>: When youre analyzing a JavaScript program, you can make use of the large collection of classes in the CodeQL library for JavaScript.</p></li>
<li><p><a class="reference internal" href="codeql-library-for-typescript.html"><span class="doc">CodeQL library for TypeScript</span></a>: When youre analyzing a TypeScript program, you can make use of the large collection of classes in the CodeQL library for TypeScript.</p></li>
<li><p><a class="reference internal" href="analyzing-data-flow-in-javascript-and-typescript.html"><span class="doc">Analyzing data flow in JavaScript and TypeScript</span></a>: This topic describes how data flow analysis is implemented in the CodeQL libraries for JavaScript/TypeScript and includes examples to help you write your own data flow queries.</p></li>
<li><p><a class="reference internal" href="using-flow-labels-for-precise-data-flow-analysis.html"><span class="doc">Using flow labels for precise data flow analysis</span></a>: You can associate flow labels with each value tracked by the flow analysis to determine whether the flow contains potential vulnerabilities.</p></li>
<li><p><a class="reference internal" href="specifying-additional-remote-flow-sources-for-javascript.html"><span class="doc">Specifying remote flow sources for JavaScript</span></a>: You can model potential sources of untrusted user input in your code without making changes to the CodeQL standard library by specifying extra remote flow sources in an external file.</p></li>
<li><p><a class="reference internal" href="using-type-tracking-for-api-modeling.html"><span class="doc">Using type tracking for API modeling</span></a>: You can track data through an API by creating a model using the CodeQL type-tracking library for JavaScript.</p></li>
<li><p><a class="reference internal" href="abstract-syntax-tree-classes-for-working-with-javascript-and-typescript-programs.html"><span class="doc">Abstract syntax tree classes for working with JavaScript and TypeScript programs</span></a>: CodeQL has a large selection of classes for representing the abstract syntax tree of JavaScript and TypeScript programs.</p></li>
<li><p><a class="reference internal" href="data-flow-cheat-sheet-for-javascript.html"><span class="doc">Data flow cheat sheet for JavaScript</span></a>: This article describes parts of the JavaScript libraries commonly used for variant analysis and in data flow queries.</p></li>
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