JS如何判断连续输入完?js判断输入结束可以通过下面这个jquery插件完美实现。
引用js文件(代码见文末)
使用方法:
$('#{你的input输入框的id}').donetyping(function () {
//输入完成后执行的JS代码
});
donetyping.js代码:
//
// $('#element').donetyping(callback[, timeout=1000])
// Fires callback when a user has finished typing. This is determined by the time elapsed
// since the last keystroke and timeout parameter or the blur event--whichever comes first.
// @callback: function to be called when even triggers
// @timeout: (default=1000) timeout, in ms, to to wait before triggering event if not
// caused by blur.
// Requires jQuery 1.7+
//
; (function ($) {
$.fn.extend({
donetyping: function (callback, timeout) {
timeout = timeout || 1e3; // 1 second default timeout
var timeoutReference,
doneTyping = function (el) {
if (!timeoutReference) return;
timeoutReference = null;
callback.call(el);
};
return this.each(function (i, el) {
var $el = $(el);
// Chrome Fix (Use keyup over keypress to detect backspace)
// thank you @palerdot
$el.is(':input') && $el.on('keyup keypress paste', function (e) {
// This catches the backspace button in chrome, but also prevents
// the event from triggering too preemptively. Without this line,
// using tab/shift+tab will make the focused element fire the callback.
if (e.type == 'keyup' && e.keyCode != 8) return;
// Check if timeout has been set. If it has, "reset" the clock and
// start over again.
if (timeoutReference) clearTimeout(timeoutReference);
timeoutReference = setTimeout(function () {
// if we made it here, our timeout has elapsed. Fire the
// callback
doneTyping(el);
}, timeout);
}).on('blur', function () {
// If we can, fire the event since we're leaving the field
doneTyping(el);
});
});
}
});
})(jQuery);