function replaceIt(replacestr,tostr) { var sel = document.selection; var rng = sel.createRange(); var selection=rng.text; if(selection=="") { alert("Please select some paragraphs."); return 0; } var textarray=selection.split(replacestr); selection=textarray.join(tostr); rng.text=selection+"\r\n"; }选定了,再用一个按钮运行这个replaceIt("hello","hi"); 将会把选定的内容中所有的"hello"换成"hi"。
{
var sel = document.selection;
var rng = sel.createRange();
var selection=rng.text;
if(selection=="")
{
alert("Please select some paragraphs.");
return 0;
}
var textarray=selection.split(replacestr);
selection=textarray.join(tostr);
rng.text=selection+"\r\n";
}选定了,再用一个按钮运行这个replaceIt("hello","hi");
将会把选定的内容中所有的"hello"换成"hi"。
document.selection.createRange().text="yourStr"