How to prevent browser window from zooming on touchscreen

now the meta tag is added

    <meta name="viewport" content="width=device-width,minimum-scale=1,maximum-scale=1,initial-scale=1,user-scalable=no" /

also added the disable touch default event, but only Wechat can"t zoom uc on the phone, or how can you zoom? how to prevent the browser window from zooming?

    document.body.addEventListener("touchmove", function (event) {
        event.preventDefault();
    }, false);
    document.body.addEventListener("touchstart", function (event) {
        event.preventDefault();
    }, false);
    document.body.addEventListener("gesturechange", function (event) {
        event.preventDefault();
    }, false);
Mar.25,2021

< meta name= "viewport" content= "width=device-width, initial-scale=1.0, user-scalable=0" / >


user-scalable=0

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3f586-2c491.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3f586-2c491.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?