formatting issue resolved

dist/assets/a-doc-editor.js

@@ -621,7 +621,7 @@ var ADocEditor = function (customConfig) {
                 caretData.style.fontColor = fontColor.value
                 caretData.style.bold = fontBold.classList.contains('selected')
                 caretData.style.italic = fontItalic.classList.contains('selected')
-                caretData.activeData.formatedText[caretData.index] = { ...caretData.style }
+                caretData.activeData.formatedText.splice(caretData.index, 0, { ...caretData.style })
 
                 caretData.activeData.plainContent = caretData.activeData.plainContent.slice(0, caretData.index) + e.key + caretData.activeData.plainContent.slice(caretData.index)
                 ++caretData.index
@@ -635,12 +635,14 @@ var ADocEditor = function (customConfig) {
                         if (dataSet[currentIndex].plainContent.length != 0) {
                             caretData.activeData.plainContent += dataSet[currentIndex].plainContent
                             caretData.activeData.formatedText.push(...dataSet[currentIndex].formatedText)
+                            console.log()
                         }
                         dataSet.splice(currentIndex, 1)
                     }
                 } else {
                     caretData.activeData.plainContent = caretData.activeData.plainContent.slice(0, caretData.index - 1) + caretData.activeData.plainContent.slice(caretData.index)
                     caretData.index = caretData.index - 1
+                    caretData.activeData.formatedText.splice( caretData.index, 1 )
                 }
             }
             else if (e.keyCode == 37) { // left key