select input value range when enter different select panel

1 files changed, 17 insertions, 0 deletions

diff --git a/src/util/selection.js b/src/util/selection.js
new file mode 100644
index 0000000..395901e
--- /dev/null
+++ b/src/util/selection.js
@@ -0,0 +1,17 @@
+export default function createSelection(field, start, end) {
+  if (field.createTextRange) {
+    const selRange = field.createTextRange();
+    selRange.collapse(true);
+    selRange.moveStart('character', start);
+    selRange.moveEnd('character', end);
+    selRange.select();
+    field.focus();
+  } else if (field.setSelectionRange) {
+    field.focus();
+    field.setSelectionRange(start, end);
+  } else if (typeof field.selectionStart !== 'undefined') {
+    field.selectionStart = start;
+    field.selectionEnd = end;
+    field.focus();
+  }
+}