JS judges whether the current browser is WeChat or DingTalk

1. WeChat

Determine whether the current browser is WeChat by judging whether navigator.userAgent.toLowerCase()contains the field.micromessenger

// 方法1
function judge() {
    
    
    const ua = navigator.userAgent.toLowerCase()
    return ua.match(/MicroMessenger/i) == 'micromessenger' // true or false
}

// 方法2
function judge() {
    
    
    const ua = navigator.userAgent.toLowerCase()
    return ua.indexOf('micromessenger') !== -1 // true or false
}

// 方法3
function judge() {
    
    
    const ua = navigator.userAgent.toLowerCase()
    return ua.includes('micromessenger') // true or false
}

Two, DingTalk

Determine whether the current browser is DingTalk by judging whether window.navigator.userAgencontains the field.DingTalk

// 方法1
function judge() {
    
    
    const ua = window.navigator.userAgent
    return ua.match(/MicroMessenger/i) == 'DingTalk' // true or false
}

// 方法2
function judge() {
    
    
    const ua = window.navigator.userAgent
    return ua.indexOf('DingTalk') !== -1 // true or false
}

// 方法3
function judge() {
    
    
    const ua = window.navigator.userAgent
    return ua.includes('DingTalk') // true or false
}