1. Imitasi fade in (), fade out ().
Prinsip: setInterval (fungsi "Opacity ++ Transparency", interval waktu)
var alpha = 0; function play () {timer = setInterval (function () {alpha + = 2; alpha> 100 && (alpha = 100); AIMG [index] .style.opacity = alpha / 100; AIMG [index] .Style.filter = "alpha (opacity =" + alpha / 100 + ");2. Dapatkan dan atur nilai atribut objek elemen:
Poin -poin penting: obj.currentstyle [attr]; getComputedStyle (OBJ, null) [attr];
fungsi css (obj, attr, val) {switch (arguments.length) {case 2: if (typeof argumen [1] == "string") {return obj.currentstyle? obj.currentstyle [attr]: getComputedstyle (obj, null) [attr];} else {for (var i in attr) {obj.style [i] = attr [i];}} break; case 3: obj.style [attr] = val; break; default: warnet ("kesalahan parameter");Di atas adalah konten yang relevan dari sorotan kode fungsi JS yang diperkenalkan kepada Anda oleh editor. Saya harap ini akan membantu Anda!