The front-end call is as follows
OnClientClick="return fucCheckJpgAndGif( form1.File1.value);" --File1 is the upload file control
Function code:
function fucCheckJpgAndGif(strFileName) {
if (strFileName != "") {
var strtype = strFileName.substring(strFileName.length - 4, strFileName.length);
strtype = strtype.toLowerCase();
if (( strtype == ".jpg") || (strtype == ".gif") || (strtype == "jpeg") || (strtype == ".bmp")) {
return true;
; please Upload pictures in jpg, gif or bmp format, thank you! ");/* from http://yige.org/js/ */
return false;
}
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn