3. search and replace the selected text

search and replace the selected text

  • 梵
    administrators 

    function getSelectedText() {
    if (window.getSelection) {
        txt = window.getSelection();
    } else if (window.document.getSelection) {
        txt =window.document.getSelection();
    } else if (window.document.selection) {
        txt = window.document.selection.createRange().text;
    }
  console.log("selected", txt + "|||")
  if(txt.toString() !== "")
    replaceSelectedText ("hello")
    // return txt;  
}

function replaceSelectedText(replacementText) {
    var sel, range;
    if (window.getSelection) {
        sel = window.getSelection();
        if (sel.rangeCount) {
            range = sel.getRangeAt(0);
            range.deleteContents();
            range.insertNode(document.createTextNode(replacementText));
        }
    } else if (document.selection && document.selection.createRange) {
        range = document.selection.createRange();
        range.text = replacementText;
    }
}
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