如何在IE6中用javascript设置元素属性..?它似乎setAttribute不起作用.我真的需要动态地做.谢谢.
码
<script type="text/javascript" language="javascript">
menuItems = document.getElementById("menu").childNodes;
for (i = 0; i < menuItems.length; i++)
{
if (menuItems[i].className != "blue")
menuItems[i].setAttribute('onmouseover', 'HoverMenu(this)');
}
</script>
Run Code Online (Sandbox Code Playgroud) 我正在使用Gosha 的浮动标签输入组件,但动画字体大小的动画有点锯齿状。我尝试增加 Animated.timingtoValue但没有成功。我需要更改哪一部分才能使其顺利?请指教。
import React, { Component } from 'react';
import { View, TextInput, Animated, Easing } from 'react-native';
export class FloatingLabelInput extends Component {
state = {
isFocused: false,
value: ''
};
componentWillMount() {
this._animatedIsFocused = new Animated.Value(0);
}
handleFocus = () => this.setState({ isFocused: true });
handleBlur = () => this.setState({ isFocused: false });
handleTextChange = (newText) => this.setState({ value: newText });
componentDidUpdate() {
if (this.state.value == "") {
Animated.timing(this._animatedIsFocused, {
toValue: this.state.isFocused ? …Run Code Online (Sandbox Code Playgroud) 我是 React Native 的新手,不知道为什么它会显示出意外的结果。如果我输入'a'然后'a'它显示'AAA',依此类推。
export default class App extends Component {
constructor(props) {
super(props)
this.state = {
userName: ''
}
}
formatUserName = (textValue) => {
// If I remove toUpperCase() below, it shows expected result.
this.setState({ userName: textValue.toUpperCase() });
}
render() {
...
<TextInput
onChangeText={textValue => this.formatUserName(textValue)}
value={this.state.userName} />
...
}
}
Run Code Online (Sandbox Code Playgroud) 我有更新密码功能ScreenPassword,但我想通过点击屏幕标题上的保存按钮来更新密码。
导航设置.js
const routeConfigs = {
Password: {
screen: ScreenPassword,
navigationOptions: {
headerTitle: 'Password',
headerTintColor: '#000',
headerRight: (
<View style={styles.headerRight}>
<Button
style={styles.buttonHeader}
color='#000'
title="Save"
onPress={???????????} />
</View>
)
}
}
}
export default createStackNavigator(routeConfigs);
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屏幕密码
export default class ScreenPassword extends Component {
updatePassword = () => {
}
render() {
return (
<ScrollView style={styles.container}>
<View style={styles.boxForm}>
<TextInput
style={styles.textInput}
placeholder="Old Password"
secureTextEntry='true'
/>
<TextInput
style={styles.textInput}
placeholder="New Password"
secureTextEntry='true'
/>
<TextInput
style={styles.textInput}
placeholder="Confirm Password"
secureTextEntry='true'
/>
</View>
</ScrollView>
)
} …Run Code Online (Sandbox Code Playgroud) 我不知道如果我可以把mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480"在StaticResource,这可能吗?
我可以使用以下代码显示从当前日期到下一个3个月的日期:
$begin = new DateTime();
$end = new DateTime(date('Y-m-d', strtotime('+3 months', strtotime(date("d-m-Y")))));
$interval = DateInterval::createFromDateString('1 day');
$days = new DatePeriod($begin, $interval, $end);
foreach ( $days as $day ) {
...
}
Run Code Online (Sandbox Code Playgroud)
我觉得代码可以缩短,特别是$end.你能帮忙吗?
哦,我也想要前3个月.我改变'+3 months'了'-3 months'但没有运气.有任何想法吗?
javascript ×3
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