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anot.js/src/24-:text.js

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2018-08-04 16:26:50 +08:00
Anot.directive('text', {
update: function(val) {
var elem = this.element
val = val == null ? '' : val //不在页面上显示undefined null
if (elem.nodeType === 3) {
//绑定在文本节点上
try {
//IE对游离于DOM树外的节点赋值会报错
elem.data = val
} catch (e) {}
} else {
//绑定在特性节点上
elem.textContent = val
}
}
})