Javascript | String operations

 function replaceFirstCharacter() {

var str = 'tracedynamics'; str = str.replace('t','T'); console.log(str); } Output: Tracedynamics


function removeFirstCharacter() { var str = 'tracedynamics'; str = str.slice(1); console.log(str); } Output: racedynamics




function replaceLastCharacter() { var str = 'tracedynamics'; str = str.replace('s','S'); console.log(str); } Output: tracedynamicS

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