Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 1x 1x 1x 11x 11x 11x 11x 1x 3x 3x 3x 3x 1x | /** * 包装为规律触发的函数,用于降低密集事件的处理频率 * - 在疯狂操作期间,按照规律时间间隔,来调用任务函数 * @method fn/regular * @param {Function} fn 要延迟触发的函数 * @param {Number} delay 延迟时间(ms) * @param {Object} [bind] 函数的 this 指向 * @return {Function} 经过包装的定时触发函数 * @example * var $regular = require('@spore-ui/kit/packages/fn/regular'); * var comp = { * countWords : function(){ * console.info(this.length); * } * }; * // 疯狂按键,每隔 200ms 才有一次按键有效 * $('#input').keydown($regular(function(){ * this.length = $('#input').val().length; * this.countWords(); * }, 200, comp)); */ function regular(fn, delay, bind) { var enable = true; var timer = null; return function () { bind = bind || this; enable = true; var args = arguments; if (!timer) { timer = setInterval(function () { Eif (typeof fn === 'function') { fn.apply(bind, args); } Iif (!enable) { clearInterval(timer); timer = null; } enable = false; }, delay); } }; } module.exports = regular; |