les API de la Console qui gagneraient à être plus connues, la numéro 3 va vous surprendre
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javascript - console.log("hello world!") showing me undefined in firefox - Stack Overflow
Wassim Chegham on X: "@MarkSShenouda console.log(a); > Uncaught ReferenceError: a is not defined > variable "a" was not defined (it doesn't exist) when we try to access it. let a; console.log(a); >
why console.log() returns undefined
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Please help me fix: Missed a test question because VSCode not outputting undefined after console.log : r/learnjavascript
undefined and null in JavaScript – Dhananjay Kumar
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