javascript

javascript

01. 完美解决 ios10 及以上 Safari 无法禁止缩放的问题

window.onload = function () {
  document.addEventListener('touchstart', function (event) {
    if (event.touches.length > 1) {
      event.preventDefault()
    }
  })
  var lastTouchEnd = 0
  document.addEventListener(
    'touchend',
    function (event) {
      var now = new Date().getTime()
      if (now - lastTouchEnd <= 300) {
        event.preventDefault()
      }
      lastTouchEnd = now
    },
    false
  )
}