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javascript: ¿Por qué estos dos resultados diferentes?

en este código:

 function titleCase(str) { let minStr = str.toLowerCase().split(' '); console.log(minStr) let result = []; for (let i = 0; i < minStr.length; i++) { let tabWord = minStr[i].split('').splice(0, 1, minStr[i][0].toUpperCase()); console.log(tabWord) } //console.log(minStr) } titleCase("I'm a little tea pot");

El resultado es:

ingrese la descripción de la imagen aquí

y si hago eso:

 function titleCase(str) { let minStr = str.toLowerCase().split(' '); console.log(minStr) let result = []; for (let i = 0; i < minStr.length; i++) { let tabWord = minStr[i].split('') tabWord.splice(0,1,minStr[i][0].toUpperCase()); console.log(tabWord) } //console.log(minStr) } titleCase("I'm a little tea pot");

el resultado es:

ingrese la descripción de la imagen aquí

¿Por qué esta diferencia entre ambos?

about 4 years ago · Juan Pablo Isaza
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