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Showing 57 – 64 of 176 articles
Clear, original guide explaining javascript variable scope: global vs local, block scope, hoisting, scope chain, with/catch nuances, and best practices for let/const and avoiding globals.
Concise guide to javascript objects: what they are, how to create and modify them, access patterns (dot vs bracket), deleting properties, looping with for...in and Object.keys(), and examples.
Guide covering how to replace all occurrences of a string in JavaScript using replace, replaceAll, regex /g, RegExp constructor, split/join, and escaping special characters.
Guide to python hex(): usage, examples, __index__ support, negative numbers, and alternatives (format(), f-strings).
Concise guide to JavaScript trim(): how String.prototype.trim works, examples for trim(), trimStart(), trimEnd(), what characters are removed, regex alternatives, and compatibility tips.
Practical, efficient ways to append string in Python: why + can be slow, examples using list+join, *, StringIO, and timeit tips.
Original guide to JavaScript syntax and code structure: statements, whitespace, semicolons, indentation, identifiers, and practical rules to avoid syntax errors and improve readability.
Practical guide to try catch javascript: syntax, throwing custom errors, rethrowing, finally, runtime vs parse errors, and best practices.
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