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Results for “cr”

Small, practical examples. Search by task or narrow things down below.

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JavaScriptRegular expressions & URL encoding

Percent-encode one URL component

JavaScript: encodeURIComponent escapes a parameter value rather than a complete URL.

JavaScript✓ Tested
TypeScriptRegular expressions & URL encoding

Percent-encode one URL component

TypeScript: encodeURIComponent escapes a parameter value rather than a complete URL.

TypeScript✓ Tested
Bash ScriptsArray operations

Prepend items while preserving existing array values

Bash Scripts: Construct a new array with the new values before the quoted original expansion.

Bash Scripts✓ Tested
Bash ScriptsProcesses & environment

Preserve a failure status while an EXIT trap runs

Bash Scripts: Capture the status immediately on entry to the trap before running cleanup commands.

Bash Scripts✓ Tested
Bash ScriptsDiagnostics & defensive scripting

Prevent a variable value from expanding as a filename pattern

Bash Scripts: Quote a variable to pass its literal contents even when matching filenames exist.

Bash Scripts✓ Tested
JavaScriptObject behavior & collections

Prevent runtime changes to top-level properties

JavaScript: Object.freeze prevents ordinary top-level mutations; Reflect.set reports the rejected update without throwing.

JavaScript✓ Tested
TypeScriptObject behavior & collections

Prevent runtime changes to top-level properties

TypeScript: Object.freeze prevents ordinary top-level mutations; Reflect.set reports the rejected update without throwing.

TypeScript✓ Tested
JavaScriptGetting Started

Print a number with two decimal places

JavaScript: Format a small decimal value consistently for display.

JavaScript✓ Tested
TypeScriptGetting Started

Print a number with two decimal places

TypeScript: Format a small decimal value consistently for display.

TypeScript✓ Tested
Bash ScriptsText parsing & arithmetic

Print text containing percent characters literally

Bash Scripts: Never use untrusted text as the printf format string.

Bash Scripts✓ Tested
JavaScriptPromises & iteration protocols

Produce a lazy sequence with a generator

JavaScript: A generator yields one value per iteration without building an intermediate array.

JavaScript✓ Tested
TypeScriptPromises & iteration protocols

Produce a lazy sequence with a generator

TypeScript: A generator yields one value per iteration without building an intermediate array.

TypeScript✓ Tested