replace 和 replaceAll – 某喵的光

https://www.runoob.com/jsref/jsref-replace.html

<script type="text/javascript">

var str="Welcome to Microsoft! "
str=str + "We are proud to announce that Microsoft has "
str=str + "one of the largest Web Developers sites in the world."

document.write(str.replace(/Microsoft/g, "W3School"))

</script>

var str="Welcome to Microsoft! "

str=str + "We are proud to announce that Microsoft has "

str=str + "one of the largest Web Developers sites in the world."

document.write(str.replace(/Microsoft/g, "W3School"))

</script>

this.dataList = array.map(item => {
   let data = item.replace(new RegExp(' ', 'g'), '')
   return data.split('')
})

this.dataList = array.map(item => {

let data = item.replace(new RegExp(' ', 'g'), '')

return data.split('')

})