JavaScript String Methods in Geogebra
//JavaScript String Methods
//charAt()
var str = "Geogebra Web";
alert(str.charAt(0));
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//charCodeAt()
var str = "Geogebra Web";
alert(str.charCodeAt(0));
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//concat()
var str1 = "Geogebra ";
var str2 = "Web";
alert(str1.concat(str2));
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//fromCharCode()
alert(String.fromCharCode(65));
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//indexOf()
var str = "Geogebra, welcome to the dynamic mathematics software.";
alert(str.indexOf("welcome"));
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//lastIndexOf()
var str = "GeoGebra to learn mathematics and science. Dynamic mathematics for everyone!";
alert(str.lastIndexOf("mathematics"));
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//match()
var str = "The rain in SPAIN stays mainly in the plain";
var res = str.match(/ain/g);
alert(res.join());
var str= "Welcome to geeks for geeks!";
var res=str.match(/eek/g);
alert(res.join());
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//replace()
var str = "Visit Help Geogebra!";
var res = str.replace("Help", "to");
alert(res);
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//search()
var str = "Visit Help Geogebra!";
var n = str.search("Geogebra");
alert(n);
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//slice()
var str = "Geogebra Web!";
var res = str.slice(0, 3);
alert(res);
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//split()
var str = "How are you doing today?";
var res = str.split("");
alert(res.join());
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//substr()
var str = "Geogebra Web";
var res = str.substr(3, 5);
alert(res);
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//substring()
var str = "Geogebra Web";
var res = str.substring(3, 8);
alert(res);
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//toLowerCase()
var str = "Geogebra Web";
var res = str.toLowerCase();
alert(res);
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//toUpperCase()
var str = "Geogebra Web";
var res = str.toUpperCase();
alert(res);
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//valueOf()
var str = "Geogebra Web";
var res = str.valueOf();
alert(res);
///////////////////////////////