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Jesson Holder
Asked: 2022-10-15T07:55:11+00:00

how to capitalize first letter after “.”

I wrote this function for it :

const capitalizeClick =()=>{
        var str = text.split(".") ;
        let newText = str.map((arr)=>((arr[0]).toUpperCase));
        setText(newText)

        
    }
     return(
       <textarea className="form-control" value={text} onChange={handleOnChange}  id="myBox" rows={15}  />
             
    )

but i am geting this error : Cannot read properties of undefined (reading ‘toUpperCase’)

how to capitalize first letter after "."
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1 Answer

  1. You need to accept text as an argument to the function.

    const capitalizeClick = (text)=> {
        var str = text.split(".") ;
        let newText = str.map((arr)=>((arr[0]).toUpperCase));
        setText(newText)
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