Generally Web Development bootcamps teaches:

• HTML fundamentals: syntax, elements, images, links, lists, forms, buttons.
• CSS: selectors, classes, ids, attributes, fonts, colors, sizing, positioning.
• Accessible and responsive web design: websites for all and on all devices.
• CSS layout tools: positioning elements with CSS Flexbox and CSS grid.

And the JavaScript bootcamp covers:

• Programming fundamentals: syntax, variables, operations, loops, functions.
• Data structures: arrays, multidimensional arrays, array methods, objects.
• Algorithms: searching, sorting, reversing, merging, splicing, hashing.
• Object-oriented programming: methods, constructors, prototypes, inheritance.
• Functional programming: terminology, constraints, mapping, filtering.