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.map() no está mapeando (generando <div> con .map())

Lo que estaba tratando de hacer...

IterableBox

Código...

 const programmingSkillsDetails = [ { skill: "JavaScript", ratingPercentage: 85 }, { skill: "React JS", ratingPercentage: 85 }, { skill: "React Native", ratingPercentage: 85 }, ... ]; ... <div className="resume-screen-container programming-skills-container" key="programming-skills" > {programmingSkillsDetails.map((skill, index) => { <div className="skill-parent" key={index}> <div className="heading-bullet"></div> <span>{skill.skill}</span> <div className="skill-percentage"> <div style={{ width: skill.ratingPercentage + "%" }} className="active-percentage-bar" ></div> </div> </div>; })} </div>

Producción...

Producción

Representa el "contenedor de pantalla" principal <div> ... pero no asigna los <div> secundarios

Reconoce el skill.skill y skill.ratingPercentage

ingrese la descripción de la imagen aquí

about 4 years ago · Juan Pablo Isaza
1 answers
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0

Esto se debe a que su función de mapa no devuelve nada.

La función de mapa toma una función de devolución de llamada como parámetro, y esta devolución de llamada debe devolver algo si desea mostrar algo en el DOM. Aquí hay más información: https://linguinecode.com/post/how-to-use-map-react

Haz esto en su lugar:

 {programmingSkillsDetails.map((skill, index) => <div className="skill-parent" key={index}> <div className="heading-bullet"></div> <span>{skill.skill}</span> <div className="skill-percentage"> <div style={{ width: skill.ratingPercentage + "%" }} className="active-percentage-bar" ></div> </div> </div> )}

O también podrías escribirlo así:

 {programmingSkillsDetails.map((skill, index) => { return <div className="skill-parent" key={index}> <div className="heading-bullet"></div> <span>{skill.skill}</span> <div className="skill-percentage"> <div style={{ width: skill.ratingPercentage + "%" }} className="active-percentage-bar" ></div> </div> </div>} )}

O así:

 {programmingSkillsDetails.map((skill, index) => { return (<div className="skill-parent" key={index}> <div className="heading-bullet"></div> <span>{skill.skill}</span> <div className="skill-percentage"> <div style={{ width: skill.ratingPercentage + "%" }} className="active-percentage-bar" ></div> </div> </div>)} )}
about 4 years ago · Juan Pablo Isaza Report
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