文档中的元素范围。用户的选择会以 Range 的形式表示,以及其他用途。脚本只能访问运行脚本的用户的选择,并且
该脚本是否已绑定到文档。
// Bold all selected text.
var selection = DocumentApp.getActiveDocument().getSelection();
if (selection) {
var elements = selection.getRangeElements();
for (var i = 0; i < elements.length; i++) {
var element = elements[i];
// Only modify elements that can be edited as text; skip images and other non-text elements.
if (element.getElement().editAsText) {
var text = element.getElement().editAsText();
// Bold the selected part of the element, or the full element if it's completely selected.
if (element.isPartial()) {
text.setBold(element.getStartOffset(), element.getEndOffsetInclusive(), true);
} else {
text.setBold(true);
}
}
}
}