![](/img/trans.png)
[英]window.getSelection() gives me the selected text, but I want the HTML
[英]I want to make a HTML text editor having bold functionality using window.getSelection
它使整個文本加粗。 我只希望選定的文本變粗(嚴格沒有 exec 命令)
let boldBtn = document.getElementById('Bold-Btn');
let boldClickListener = (event) =>
{
event.preventDefault();
let selection = window.getSelection();
let final = `<span class="text-bold">${selection.focusNode.textContent}</span>`;
selection.anchorNode.parentElement.innerHTML=final;
console.log(selection);
};
boldBtn.addEventListener('click',boldClickListener);
這樣做的一種方法可能是執行以下操作:
parentElement
的innerHTML
中包含的選定文本替換為粗體元素。基於您提供的代碼的示例:
let boldBtn = document.getElementById('Bold-Btn'); let boldClickListener = (event) => { event.preventDefault(); // Get selection let selection = window.getSelection(); // Get string of text from selection let text = selection.toString(); // Create bolded element that will replace the selected text let final = `<span class="text-bold">${text}</span>`; // Replace the selected text with the bolded element selection.anchorNode.parentElement.innerHTML = selection.anchorNode.parentElement.innerHTML.replace(text, final); }; boldBtn.addEventListener('click', boldClickListener);
.text-bold { font-weight: bold; }
<div> Test this text </div> <button id="Bold-Btn"> Bold </button>
請注意,您可能希望在創建粗體元素時添加更多邏輯,以處理任何現有文本已經是粗體的情況。
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