189 8069 5689
这篇文章主要讲解了“js中resize事件怎么解决”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“js中resize事件怎么解决”吧！
创新互联专注于企业成都全网营销推广、网站重做改版、舒城网站定制设计、自适应品牌网站建设、H5场景定制、成都商城网站开发、集团公司官网建设、成都外贸网站建设、高端网站制作、响应式网页设计等建站业务，价格优惠性价比高，为舒城等各大城市提供网站开发制作服务。
1、当浏览器窗口调整到新的高度或宽度时，会触发resize事件。
2、在window(窗口)上触发，因此可以通过JavaScript或元素中的onresize特性来指定事件处理程序。
实例
/**
* Created by taozh on 2017/5/6.
* taozh1982@gmail.com
*/
var EleResize = {
_handleResize: function (e) {
var ele = e.target || e.srcElement;
var trigger = ele.__resizeTrigger__;
if (trigger) {
var handlers = trigger.__z_resizeListeners;
if (handlers) {
var size = handlers.length;
for (var i = 0; i < size; i++) {
var h = handlers[i];
var handler = h.handler;
var context = h.context;
handler.apply(context, [e]);
}
}
}
},
_removeHandler: function (ele, handler, context) {
var handlers = ele.__z_resizeListeners;
if (handlers) {
var size = handlers.length;
for (var i = 0; i < size; i++) {
var h = handlers[i];
if (h.handler === handler && h.context === context) {
handlers.splice(i, 1);
return;
}
}
}
},
_createResizeTrigger: function (ele) {
var obj = document.createElement('object');
obj.setAttribute('style',
'display: block; position: absolute; top: 0; left: 0; height: 100%; width: 100%; overflow: hidden;opacity: 0; pointer-events: none; z-index: -1;');
obj.onload = EleResize._handleObjectLoad;
obj.type = 'text/html';
ele.appendChild(obj);
obj.data = 'about:blank';
return obj;
},
_handleObjectLoad: function (evt) {
this.contentDocument.defaultView.__resizeTrigger__ = this.__resizeElement__;
this.contentDocument.defaultView.addEventListener('resize', EleResize._handleResize);
}
};
if (document.attachEvent) {//ie9-10
EleResize.on = function (ele, handler, context) {
var handlers = ele.__z_resizeListeners;
if (!handlers) {
handlers = [];
ele.__z_resizeListeners = handlers;
ele.__resizeTrigger__ = ele;
ele.attachEvent('onresize', EleResize._handleResize);
}
handlers.push({
handler: handler,
context: context
});
};
EleResize.off = function (ele, handler, context) {
var handlers = ele.__z_resizeListeners;
if (handlers) {
EleResize._removeHandler(ele, handler, context);
if (handlers.length === 0) {
ele.detachEvent('onresize', EleResize._handleResize);
delete ele.__z_resizeListeners;
}
}
}
} else {
EleResize.on = function (ele, handler, context) {
var handlers = ele.__z_resizeListeners;
if (!handlers) {
handlers = [];
ele.__z_resizeListeners = handlers;
if (getComputedStyle(ele, null).position === 'static') {
ele.style.position = 'relative';
}
var obj = EleResize._createResizeTrigger(ele);
ele.__resizeTrigger__ = obj;
obj.__resizeElement__ = ele;
}
handlers.push({
handler: handler,
context: context
});
};
EleResize.off = function (ele, handler, context) {
var handlers = ele.__z_resizeListeners;
if (handlers) {
EleResize._removeHandler(ele, handler, context);
if (handlers.length === 0) {
var trigger = ele.__resizeTrigger__;
if (trigger) {
trigger.contentDocument.defaultView.removeEventListener('resize', EleResize._handleResize);
ele.removeChild(trigger);
delete ele.__resizeTrigger__;
}
delete ele.__z_resizeListeners;
}
}
}
}感谢各位的阅读，以上就是“js中resize事件怎么解决”的内容了，经过本文的学习后，相信大家对js中resize事件怎么解决这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！