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我想要獲取所選文本的最接近的父元素,它在所選文本未被替換時起作用,但在文本替換後失敗。Javascript - 取代所選文本後無法獲得選定文本的父項
下面是代碼(I來自其他源修改):
jQuery(document).ready(function($){
$("#getparent").on("click touch", function(){
var selection, elements = [], ranges = [], rangeCount = 0, parent_id, parent_class;
if (window.getSelection){
selection = window.getSelection();
if (selection.rangeCount) {
var i = selection.rangeCount;
while (i--) {
selectionrange = selection.getRangeAt(i);
ranges[i] = selectionrange.cloneRange();
// SELECTION START'S CONTAINER
var parentDataStart = selectionrange.startContainer.childNodes[ranges[i].startOffset];
parentDataStart = parentDataStart || selectionrange.startContainer.parentNode;
var parentTagStart = parentDataStart.tagName.toLowerCase(); // parent tag name of selection
console.log(parentTagStart);
alert(parentTagStart);
// SELECTED TEXT NODE
selectedtext = selection.toString();
elements[i] = document.createTextNode(selectedtext);
ranges[i].deleteContents();
ranges[i].insertNode(elements[i]);
ranges[i].selectNode(elements[i]);
}
// Restore text selection
selection.removeAllRanges();
i = ranges.length;
while (i--) {
selection.addRange(ranges[i]);
}
}
}
});
});
這裏是一個小提琴