Question

如何从字符串中删除唯一的文字“你”，只留下文字“ Kevin Yam，Bryan Ooi ”

输出： Kevin Yam，Bryan Ooi

var panel = document.getElementById("panel" + (getlikeid));
var you = document.getElementById("only_you" + (getlikeid));

if (you.innerText === "You") {
  panel.remove();
} else if (you.innerText !== "You") {
  //execute code 
}

<span id="only_you11"> You, Kevin Yam, Bryan Ooi</span>

Answer 1

你.replace()

＆＃13;

var  text1 = $('span').text().replace(/You,/g, '')
$('span').text(text1);

＆＃13;

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<span id="only_you11"> You, Kevin Yam, Bryan Ooi</span>

＆＃13;

Answer 2

Just JS ......

from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import sys
import time
import sqlite3


class AnimationTextEdit(QTextEdit):
    # signal_HowLongIsTheText = pyqtSignal(int)  # signal to tell the QThread, how long the text is

    def __init__(self, *args, **kwargs):
        QTextEdit.__init__(self, *args, **kwargs)
        self.animation = QVariantAnimation(self)
        self.animation.valueChanged.connect(self.moveToLine)

    # def sent_Info_to_Thread(self):
    #     self.obj_Thread = Worker()
    #     self.signal_HowLongIsTheText.connect(self.obj_Thread.getText_HowLongIsIt)
    #     self.signal_HowLongIsTheText.emit(self.textLength)
    #     self.signal_HowLongIsTheText.disconnect(self.obj_Thread.getText_HowLongIsIt)


    @pyqtSlot()
    def startAnimation(self):
        self.animation.stop()
        self.animation.setStartValue(0)

        self.textLength = self.verticalScrollBar().maximum()
        # self.sent_Info_to_Thread()


        self.animation.setEndValue(self.textLength)
        self.animation.setDuration(self.animation.endValue()*4)
        self.animation.start()

    @pyqtSlot(QVariant)
    def moveToLine(self, i):
        self.verticalScrollBar().setValue(i)



class Worker(QObject):
    finished = pyqtSignal()
    textSignal = pyqtSignal(str)

    # @pyqtSlot(int)
    # def getText_HowLongIsIt(self, textLength):
    #     self.textLength = textLength

    @pyqtSlot()
    def getText(self):
        longText = "\n".join(["{}: long text - auto scrolling ".format(i) for i in range(100)])

        self.textSignal.emit(longText)

        time.sleep(10)
        # time.sleep(int(self.textLength / 100))
        # My question is about the above line: time.sleep(self.textLength)
        # Instead of giving a fixed sleep time value here,
        # I want let the Worker Class know,
        # how long it will take to scroll all the text to the end.

        self.finished.emit()


class MyApp(QWidget):
    def __init__(self):
        super(MyApp, self).__init__()
        self.setFixedSize(600, 400)
        self.initUI()
        self.startThread()

    def initUI(self):
        self.txt = AnimationTextEdit(self)
        self.btn = QPushButton("Start", self)

        self.layout = QHBoxLayout(self)
        self.layout.addWidget(self.txt)
        self.layout.addWidget(self.btn)

        self.btn.clicked.connect(self.txt.startAnimation)

    def startThread(self):
        self.obj = Worker()
        self.thread = QThread()

        self.obj.textSignal.connect(self.textUpdate)
        self.obj.moveToThread(self.thread)
        self.obj.finished.connect(self.thread.quit)
        self.thread.started.connect(self.obj.getText)
        self.thread.finished.connect(app.exit)
        self.thread.start()

    def textUpdate(self, longText):
        self.txt.append(longText)
        self.txt.moveToLine(0)


if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MyApp()
    window.show()
    sys.exit(app.exec_())

Php Javascript如何从字符串中删除所需的唯一文本？

2 个答案: