Executing JS in Selenium in node

Below example explains how to execute JavaScript in Selenium in Node.js
 
//You can execute the Java Script using below syntax.
var assert = require(‘assert’);
var webdriver = require(‘selenium-webdriver’),
By = webdriver.By,
until = webdriver.until;

var chrome = require(“selenium-webdriver/chrome”);

var options = new chrome.Options();
var driver = new webdriver.Builder().
withCapabilities(options.toCapabilities()).build();

driver.get(‘https://www.softpost.org/selenium-test-page/’);

//simple javascript
driver.executeScript(“return document.body.innerHTML;”).then(function (returnValue) {
console.log(“Return Value ->” + returnValue);
});

//using javascript function
var myfunction = function () {
return document.body.innerHTML;
}

driver.executeScript(myfunction).then(function (returnValue) {
console.log(“Return Value by myfunction -> ” + returnValue);
});

//passing arguments to javascript function
var f1 = function (element) {
element.click();
}

var e1 = driver.findElement(By.xpath(“//input[@value=’female’]”))
driver.executeScript(f1,e1).then(function (returnValue) {
console.log(“Return Value of f1 ->” + returnValue);
});
driver.sleep(5000);

driver.findElement(By.id(‘fn’)).sendKeys(‘Shaun’);

//Returning value from javascript function
var f2 = function (element) {
return element.value;
}

var e2 = driver.findElement(By.id(‘fn’));
driver.executeScript(f2,e2).then(function (returnValue) {
console.log(“Return Value of f2 ->” + returnValue);
});
driver.quit();

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